Recitals Erik Carlson, violin patterns, algorithms, sonifications, concepts, etc.

Upcoming performances (contact me about house concert attendance)

A series of 44-note all-heptachord pitch strings February 18, 2020. 7:00pm House concert, San Diego

Perception 1 by Michael Pisaro (a tone, repeated in durations that reduce by 1/2 each time, until there is no perceivable difference between 2 consecutive tones) February 20, 2020. 7:00pm House concert, San Diego

Tuning the violin to A=440, then A=439, then A=438, etc. for an hour March 1, 2020. 7:00pm House concert, San Diego

Integer ratios of tone and silence (one ratio each minute) (1:1, 2:1, 3:1, 3:2, 4:1, 4:3, 5:1, 5:2, 5:3, 5:4, etc.) March 14, 2020. 7:00pm High Desert Soundings, Los Angeles

Excerpts from the Thesaurus of Scales and Melodic Patterns by Nicolas Slonimsky March 28, 2020. 7:00pm House concert, San Diego

Sequences of pitches that begin on A4, in which each pitch randomly either rises or falls one half step or stays the same as the previous note until reaching A3 or A5 April 12, 2020. 7:00pm House concert, San Diego

Deriving the interval the Atom of Kirnberger for 3 strings about June 10, 2020. Dog Star Festival, Los Angeles

Past performances

Legato 20-second tones that slowly transform to either 19- or 21-second tones over the course of half an hour February 6, 2020. 7:00pm House concert, San Diego

Series of random pitches and durations, played simultaneously with their inversion, retrograde, and retrograde-inversion with the Ars Combinatoria String Quartet February 1, 2020. 7:00pm House concert, San Diego

M5 transformation of Bach's D-minor partita (with D=0) January 26, 2020. 7:00pm House concert, San Diego

The 4 open strings, each plucked 100 times in every duration from 1-100 beats, ordered randomly for each string January 22, 2020. 7:00pm House concert, San Diego

A circle of fifths as it approximates equal temperament with increasing accuracy for piano trio (strings play a sequence of pure descending fifths/ascending fourths within an octave range, the piano sounds its equal-tempered pitch if the string pitch is the closest it has yet been to the piano pitch) score January 17, 2020. 7:00pm House concert, San Diego

Rotations of various sets of points on a time/frequency grid (avoiding any rotations that result in impossible tone simultaneities) January 14, 2020. 7:00pm House concert, San Diego

Intervals of less than 1 cent, derived by ear on the violin about January 10, 2020. 7:00pm House concert, San Diego

A series of phrases, each consisting of two tones with their start and end points independently chosen from a set of 10 time points all combinations, played in random order January 6, 2020. 7:00pm House concert, San Diego

Sonification of the activity on a public staircase each step mapped to a pitch; from a live video feed, a pitch is sounded matching the highest step with a foot on it January 4, 2020. 7:00pm House concert, San Diego

A 3-limit interval of less than 1 cent, derived by ear on the violin about December 22, 2019. 7:00pm House concert, San Diego

A tone (C4) during second N if N is a complex prime, a different tone (D4) during second N if N+i is a complex prime November 26, 2019. 7:00pm House concert, San Diego

A pizzicato tone for one beat duration at every tempo from 1 - 200 bpm first in ascending order then in random order November 21, 2019. 7:00pm Combinatorix Salon Series, San Diego

Strings of pitches (created from variously-sized sets of notes), which when played as a 4-part canon with a delay of 1 note between each voice sound each unique harmony of 1, 2, 3, and 4 pitches (those which are possible from the set) once and only once (pitch doublings ignored). with The Ars Cominatoria String Quartet November 16, 2019. 7:00pm House concert, San Diego

The first phrase of the opening melody of every minuet by Haydn November 12, 2019. 7:00pm House concert, San Diego

A sonification of the distance I was from the place of my birth during my life so far one week = one beat, one quartertone = 100 miles November 7, 2019. 7:00pm House concert, San Diego

Part 2 of series of exercises to derive increasingly small superparticular tuning ratios by ear on the violin by Christopher Otto October 25, 2019. 7:00pm House concert, San Diego

I will sustain my A string, tuned at the start to 441 Hz, until it falls to 440 Hz October 17, 2019. 7:00pm House concert, San Diego

A series of pitches: the pitch of note N is the pitch P (1-12) (which has already been played T times) which has the lowest value of T * P (hat tip to Miller Puckette) October 16, 2019. 7:00pm House concert, San Diego

Output of a program to give the retrograde-inversion of pitch strings, using Stephen Sykes's music-based esoteric programming language Choon about October 14, 2019. 7:00pm House concert, San Diego

One million vibrations II: 400 Hz sustained for 41'40" October 12, 2019. 7:00pm House concert, San Diego

One tone repeated every 10 seconds, moving one degree clockwise around the audience for each repetition October 10, 2019. 7:00pm House concert, San Diego

Various paths that completely fill a 12x12 pitch/pitch (1 octave x 1 octave) lattice (each point played sequentially as a dyad) October 9, 2019. 7:00pm House concert, San Diego

Sets of famous melodies that are note-anagrams of each other October 7, 2019. 7:00pm House concert, San Diego

Sonifications of sequential phone numbers from full pages of old phonebooks using a standard numeral-to-pitch mapping October 3, 2019. 7:00pm House concert, San Diego

Various combinations of slurred and detached noets from Edmund van der Straeten's "The Technics of Violoncello Playing" (1905) about September 30, 2019. 7:00pm House concert, San Diego

I will sustain a single pitch which will be repeatedly re-harmonized by a series of randomly chosen sinetone trichrods Septembe 27, 2019. 7:00pm House concert, San Diego

Numerous sonifications of the sequence 1, 2, 3, 4 utilizing various musical parameters September 25, 2019. 7:00pm House concert, San Diego

Pitches (microtonal, 1/2 second duration), 8 seconds apart alternating pitches chosen by me and pitches chosen randomly by a computer September 23, 2019. 7:00pm House concert, San Diego

Specific pitches which are absent in movements of various famous works September 19, 2019. 7:00pm House concert, San Diego

A 4-octave ascending chromatic scale Each pitch starts niente and very slowly crescendos. When a blindfolded listener onstage with me indicates they can hear each pitch, I move on to the next pitch September 16, 2019. 7:00pm House concert, San Diego

Various 12-note phrases where each note can sustain the previous pitch or ascend one semitone September 10, 2019. 7:00pm House concert, San Diego

1000 bow changes September 9, 2019. 7:00pm House concert, San Diego

A tone is sounded during second N if the binary representation of N has more 1's than 0's September 6, 2019. 7:00pm House concert, San Diego

A series of exercises to derive increasingly small superparticular tuning ratios by ear on the violin by Christopher Otto September 5, 2019. 7:00pm House concert, San Diego

Permutations of a hexachord as described in Marin Mersenne's Livre du chant in Harmonie universelle (~1636) about August 31, 2019. 7:00pm House concert, San Diego

Various paths of a double-pendulum, sonifying the end-weight position each second, mapped onto a 2-octave range August 29, 2019. 7:00pm House concert, San Diego

Pitch strings that do not occur in the string quartets of Beethoven August 27, 2019. 7:00pm House concert in San Diego

SHA256 hashes of the numbers 1 - 100 using a simple character to pitch mapping August 25, 2019. 7:00pm House concert, San Diego

Two sine tones that have a 1/3600 Hz difference (hat tip to Anthony Vine) August 23, 2019. 7:00pm House concert, Minneapolis

A series of basic arithmetic problems in base 12 using a simple number-to-pitch mapping (15 minutes each of addition, subtraction, multiplication, and division) August 21, 2019. 7:00pm House concert, St. Paul

Multiple series of 78 dyads [P1,P2] within a 1 octave range, systematically played, each with duration of (P1 * P2 mod N) with increasing values for N over the course of the performance August 19, 2019. 7:00pm House concert in Stillwater, Minnesota

The audience will be let into the performance space at 8:00. I will have played a 100 Hz tone in the space, for one second, alone, sometime between 7:00 and 8:00 August 16, 2019. 7:00pm House concert in Stillwater, Minnesota

Catalogue of similar melodies II: melodies by various composers that are very similar to the first melody in the final Agnus Dei of Josquin's Missa L'homme armé sexti toni August 10, 2019. 7:00pm House concert, Louisville

The Harmonics of Real Strings by John Lely (a slow full ascent up a single string with harmonic pressure in the left hand) August 7, 2019. 7:00pm House concert in San Diego

An open-string drone recorded and simultaneously played back at 99.9% speed August 2, 2019. 7:00pm House concert in San Diego

Transcription of the most prominent frequencies in the violin range during an hour-long recording of traffic on Interstate 5 July 29, 2019. 7:00pm House concert in San Diego

Gregorian chants that are, using a simple pitch-to-digit mapping, prime numbers July 25, 2019. 7:00pm House concert, San Diego

Random strings of the 2 pitches B3 and C4, followed by strings of the same 2 pitches composed intuitively by graduate students with the intent to imitate random behavior One minute of each, alternating July 24, 2019. 7:00pm House concert, San Diego

A series of 55-note all-hexachord pitch strings July 22, 2019. 7:00pm House concert, San Diego

Pitches of 200 NYC subway turnstile beeps arranged by station, south to north; entrance, south to north; turnstile bank, left to right July 19, 2019. 7:00pm House concert in San Diego

Repeated attempts to play the maximum number of discrete staccato notes on a single upbow by Matthew Barber July 17, 2019. 7:00pm House concert in San Diego

Catalogue of bird calls July 14, 2019. 7:00pm House concert, San Diego

The beginning of a systematic list of valid code in the C programming language sonified with a simple character-to-pitch mapping July 11, 2019. 7:00pm House concert in San Diego

A series of notes at tempo 400 npm the pitch of each note starts at 100 percent chance of E4 and 0 percent chance D4 and changes 1 percent every 30 seconds to eventually become 0 chance of E4 and 100 chance of D4 (hat tip to Miller Puckette) July 8, 2019. 7:00pm House concert in San Diego

A tone is played during second N if all base-10 digits of N are unique July 6, 2019. 7:00pm House concert, San Diego

Various pitch strings containing all pitch-class sets July 3, 2019. 7:00pm House concert in San Diego

100 selections from Christoph Graupner's "Canon with 5626 Inversions" about performed by the Windansea String Ensemble July 1, 2019. 7:00pm House concert in San Diego

Poems by Georg Trakl, converted to binary code, sonified as the pitch D4 on the G and D string of the violin by Johannes Kreidler June 30, 2019. 7:00pm House concert in San Diego

Various permutation algorithms applied to a chromatic hexachord c/o David Pocknee about June 25, 2019. 7:00pm House concert, San Diego

A sonification of real roots of a sequence of Littlewood polynomials frequency = 440 * 2^root violin plays if -1 or 1 is a root all other roots are sine tones played by a computer (6 seconds per polynomial) June 22, 2019. 7:00pm House concert in San Diego

An hour-long performance of J. S. Bach's "Kanon zu acht Stimmen" BWV 1072 about performed by the Windansea String Ensemble June 19, 2019. 7:00pm House concert in San Diego

12 instruments simultaneously sustain the total duration of each pitch class in a major work by Stravinsky, Bach, Oliveros, and Babbitt performed by the Windansea String Ensemble June 18, 2019. 7:00pm House concert in San Diego

A series of upwardly-arpeggiated pentachords within the range D4-C#3 in which adjacent chords share no pitches and no two chords are identical June 14, 2019. 7:00pm House concert, San Diego

Transcription of a stick stuck in a ceiling turbine July 12, 2019. 7:00pm House concert in San Diego

Melodies of increasing lengths with the lowest density of repeated pitch-class strings June 8, 2019. 7:00pm House concert in San Diego

Sonification of the shortest single-digit representations of natural numbers (numbers 0-9 mapped to pitches G3-E4, +-*/^() mapped to F4-B4) about (hat tip to D. Edward Davis) June 5, 2019. 7:00pm House concert, San Diego

My friend D. Edward Davis and I will each begin playing a tone at the same time (in different cities) and play for exactly as long as it would theoretically take our sounds to reach each other at the speed of sound May 31, 2019. 11:00am (PDT) House concert, San Diego and New Haven

"A Long Ascent" by Madison Greenstone (smallest possible movement of the finger up the string for each tone. 10 seconds tone, 10 seconds silence.) May 10, 2019 High Desert Soundings, Joshua Tree

A sustained single violin pitch (300 Hz) accompanied by 3 sine tones (sine tones change every 15 seconds, and are randomly selected from between 150 and 600 Hz) May 4, 2019. 7:00pm House concert in San Diego

A tone every time any two hands on an analogue clock form a 90 degree angle by Dan Ruccia April 30, 2019. 7:00pm House concert, San Diego

A 1-hour sustained violin tone (~1760 Hz) will be recorded and played back at the end, sped up as a 12-second AM radio signal (535 kHz) April 29, 2019. 7:00pm House concert, San Diego

Sonification of sequential iterations of the 1-dimensional tribonacci word substitution tiling (1=F#3, 2=G3, 3=rest) about April 27, 2019. 7:00pm House concert, San Diego

Pairs of tones, played 1 minute apart, which differ in duration by 1 second April 22, 2019. 7:00pm House concert, San Diego

A new 4-pitch sonority for each audience member audience allowed to enter the venue one at a time. each chord 1 bow in duration. chords are improvised microtones. a duo with Nathan Williams April 14, 2019. 7:00pm House concert, San Diego

Chronological recreations of the tunings of my violin strings when I open the case each morning as recorded over a 100-day period April 10, 2019. 7:00pm House concert, San Diego

Transcription of a hive of bees April 6, 2019. 7:00pm House concert, San Diego

2 players in different cities play 1-second tones (E4), with pauses in between tones, until they play at the same time (players can not hear each other, but both are broadcast into a single space where the audience is) April 3, 2019. 7:00pm House concerts in San Diego, Austin

3 violinists in different cities play a series of 1-second tones every 2 seconds in the following pattern: link (each of the 3 audiences will hear the same pitch content but in different permutations) March 29, 2019. 7:00pm House concerts in San Diego, Seattle, Chicago

Each second, a 1/2 chance for each of the pitches G4, G34, and A4 to be played (notes sustain if repeated from the previous second) March 26, 2019. 3:00pm House concert, San Diego

Sustaining a tone until an audience member asks me to stop March 25, 2019. 8:00pm House concert, San Diego

The longest notated sonorities from each of J.S. Bach's organ works March 24, 2019. 8:00pm Organ rehearsal studio, UCSD

Book 1 of Milton's Paradise Lost sonified as an E4 for unstressed syllables and an F4 for stressed syllables March 23, 2019. 8:00pm House concert, San Diego

A four octave chromatic scale (10 seconds per tone) but if I hear any audience noise I start over March 22, 2019. 8:00pm House concert, San Diego

Various patterns of arranging equal amounts of tone and silence into 20-second durations March 22, 2019. 2:00pm House concert, San Diego

300 first species counterpoint harmonizations of a single melody (beginning with versions by Schoenberg from his Counterpoint book) about March 20, 2019. 7:30pm House concert, San Diego

One dimensional cellular automata - Rule 30 applied to a 100-beat rhythmic pattern about March 20, 2019. 7:00pm House concert, San Diego

Very long single-bow tones, amplified (starting with 1-minute durations and increasing with each tone) March 18, 2019. 7:30pm House concert, San Diego

Transcription of the frequencies 220 Hz and 330 Hz filtered from a field recording of the food court at UCSD March 18, 2019. 7:00pm House concert, San Diego

Ascending tones played for the duration it would take light to reach the performance venue from locations at the moment of performance: the sun, mercury, venus, the opposite side of the earth, the moon, mars March 16, 2019. 7:10pm House concert, San Diego

"Opus 9" by Eric Andersen (a 30-second tone which lengthens by 5 seconds for every year after the composition date) March 16, 2019. 7:00pm House concert, San Diego

Transcription of a series of games of Operation (played on the evening before the performance and recorded) concept by Matt Sargent March 14, 2019. 8:00pm House concert, San Diego

A tone played for the duration of 5000 heartbeats of the performer March 14, 2019. 7:00pm House concert, San Diego

A tone is sustained if the current duration of the tone in seconds is less than the sum of the digits in the binary representation of the total elapsed time of the piece in seconds (otherwise rest and begin a new tone) March 12, 2019. 3:00pm CPMC Recital Hall, UCSD

"aperture" by D. Edward Davis (on a single tone, slowly moving the bow closer to the bridge with each change of bow) March 10, 2019. 7:00pm House concert, San Diego

Sets of 300 tones with 1 of each 300 a different pitch than the others (the 2 pitches of each set and the placement of the unique pitch changes from set to set) March 8, 2019. 7:00pm House concert, San Diego

1 tone 2 sets of 2 tones 3 sets of 3 sets of 3 tones etc. (all on a single pitch, each tone 1 second duration, pauses between pitches 1/2 second per level of set boundary) March 5, 2019. 7:00pm House concert, San Diego

I will silently read through the score of Bruckner 7 in realtime at tempo and occasionally play tones from the 1st violin part as they would sound in performance March 1, 2019. 7:00pm House concert, San Diego

"Dramatische Studie Nr. 3" by Stefan Streich (a series of pizzicato tones, the time between each tone increases 1/2 second with each sounding) February 26, 2019. 7:00pm House concert, San Diego

A series of 6-note motives, each played in sets of the 4 classical transformations transposed so that all pitches in a 2-octave range are sounded during each set February 23, 2019. 7:00pm House concert, San Diego

Catalogue of similar melodies I: melodies by various composers that are very similar to the opening theme of Joseph Haydn's Symphony 20 February 19, 2019. 7:00pm House concert, San Diego

A series of pitches based on the changing vertical height of a path through Enzo Mari's Progetto 1287, Labirinto about February 16, 2019. 7:00pm House concert, San Diego

A systematic series of polyrhythms with 6 tempos, mapped to 6 pitches (E4 - A4) chosen such that during a full cycle no more than 2 pitches ever sound simultaneously February 12, 2019. 7:00pm House concert, San Diego

Very slow detuning of the G string by Aisha Orazbayeva February 7, 2019. 8:00pm House concert, San Diego

Tones sustained for 30 seconds (alternating A3 and Bflat3) with various durations and positions of silence midway through each tone January 26, 2019. 7:00pm House concert, San Diego

Transcription of clanging from various heating pipes in New York City apartments January 23, 2019. 8:00pm House concert, San Diego

40-minute ascending octave glissando concept by Jeb Bishop January 19, 2019. 7:00pm House concert, San Diego

8 second tones (D4) separated by 8 seconds of rest Also an extremely soft 1 second sinteone (also D4) randomly sounded during each minute January 15, 2019. 7:00pm House concert, San Diego

Single-bow tones played within the octave E5-E6 until a frequency is repeated (accurate to within 1 Hz) (performed with the aid of a computer) January 12, 2019. 8:00pm House concert, San Diego

Transcription of a pair of shoes tumbling in an electric dryer concept by Matt Sargent January 8, 2019. 7:00pm House concert, San Diego

Each minute, 2 tones (D4 and E-flat4) are played, each for one second, each independently and randomly placed in time December 20, 2018. 7:00pm House concert, San Diego

Each minute, a tone (D4) is played for one second, randomly placed in time December 19, 2018. 7:00pm House concert, San Diego

A slow gliss following the equation: pitch = 2 ^ (((4 * sin(3t) - 10 * sin(9t) + 8 * sin(7t) - 5 * sin(2t) + 1 * sin (11t) - 6 * sin (12t))/4 + 6) / 12) * 210 where pitch is measured in Hz and t measured is increments of 10 minutes (played with the aid of a computer) December 10, 2018. 8:00pm House concert, San Diego

Various overlappings of the tuplets 2:3, 3:2, 3:4, and 4:3 over a duration of 8 beats December 7, 2018. 8:00pm House concert, San Diego

Each second, a 1/1000 chance that a tone is played (performed with the aid of a computer) December 3, 2018. 8:00pm House concert, San Diego

Fractal expansions of common musical ornaments November 30, 2018. 7:00pm House concert, San Diego

Transcription of my attempts to push my file cabinet back and forth across my office (tone during movement, silence during rest) November 28, 2018. 7:00pm House concert, San Diego

A series of 30-second tones divided into an increasing number of equal durations (2 - 70 divisions) separated by 10 seconds of rest November 26, 2018. 7:00pm House concert, Louisville

A sustained violin tone played in unison with a sine tone oscillator (highlighting the changes in tone/pitch of the physical violin being played) November 16, 2018. 8:00pm House concert, San Diego

Pairs of 11-limit intervals in which the second interval contains 1 more vibration than the first interval vibrations measured by adding the fundamental frequencies of both pitches, multiplied by duration (A=440) November 14, 2018. 6:00pm House concert, San Diego

383542 : 399091 : 404558 : 415954 polyrhythm (partial sequence) November 12, 2018. 8:00pm House concert, San Diego

Every pattern of bowing (tying) a phrase consisting of twelve quarter notes (on pitch D4) November 10, 2018. 8:00pm House concert, San Diego

A sonification of recent football scores from around the world mapped to pairs of pitch classes November 7, 2018. 7:00pm House concert, San Diego

A tone played for the duration of a tennis ball rolling on the floor repeatedly set in motion (after a pause) by either the player (by foot) or another (by hand) November 5, 2018. 8:00pm House concert, San Diego

A series of 15-second-duration tones each systematically subdivided into 2 shorter durations with superparticular ratios November 3, 2018. 8:00pm House concert, San Diego

A series of pairs of phrases, each phrase consisting of alternating tone and silence each phrase is a palindrome. pairs of phrases are inversions of each other. November 1, 2018. 7:00pm House concert, San Diego

Sonification of games of 3-cushion billiards (a tone each time a cushion is hit) the 24 edge sections mapped to pitch, each ball mapped to an articulation October 28, 2018. 7:00pm House concert, San Diego

A sustained violin tone attempting to play in unison with a moving sine tone oscillator sine tone can change pitch randomly each millisecond at a maximum rate of 1 Hz per second October 26, 2018. 7:00pm House concert, San Diego

Oscillating two strings back and forth slowly with fingers to create a perfect 5th of frequencies 1/20 Hz and 1/30 Hz October 23, 2018. 8:00pm House concert, San Diego

Every 4-note chord playable on the violin in first position October 20, 2018. 8:00pm House concert, San Diego

As many repetitions of a tone as there are people in the audience October 17, 2018. 7:00pm House concert, San Diego

A series of single-bow tones with long silences in between the performer listens to an hour-long ascending electronic sweep over the interval of an octave (inaudible to the audience) when a new tone sounds, it is sustained at the pitch of the sweep at the moment the tone begins October 15, 2018. 7:00pm House concert, San Diego

Realtime sonification of trains arriving (coming to a stop) in the Canal St. Station for an hour each train (uptown and downtown are separate) mapped to a different pitch, pizzicato October 13, 2018. 7:00pm House concert, Brooklyn

Various paths of ascending pitch from A3 to A4, utilizing microtones followed by Various paths of increasing duration of a tone from 1 second to 10 seconds September 28, 2018. 6:00pm House concert, San Diego

Kolakoski sequence on pitches B4 and C5 (repeated pitches are sustained without reattack) September 24, 2018. 5:00pm House concert, San Diego

A tone is played during second N if all base-10 digits of N are even September 22, 2018. 7:00pm House concert, San Diego

A point moving at a constant rate along a straight line drawn through a P1 Penrose tiling pitch determined by which of the 6 tile shapes the point is in September 19, 2018. 7:00pm House concert, San Diego

Various paths of solving a Rubik's cube 12 pitches represent clockwise and counterclockwise turns of the 6 sides September 17, 2018. 8:00pm House concert, San Diego

A sustained tone played in full bows each bow N of duration equal in seconds [floor((sin(N)*100 - floor(sin(N)*100)) * 100)]^2 / 350 + 1 September 15, 2018. 5:00pm House concert, San Diego

61 rotations of a straight line on a time/pitch grid, 5.9 degree change on each rotation (grid dimensions: 1 minute duration maximum, 1 octave pitch change maximum) 1 minute duration for each rotation, starting at a flat-line sustained pitch for 1 minute September 12, 2018. 6:00pm House concert, San Diego

Transcription of a pan of popcorn popping, slowed down to a 1-hour duration September 10, 2018. 8:00pm House concert, San Diego

A series of 7-note all-interval-class rows that are prime numbers in base 12 September 9, 2018. 7:00pm House concert, San Diego

Each minute, on the minute, (for 61 minutes), a tone Duration of the tone begins at one second and increases by one second each minute September 2, 2018. 7:00pm House concert, San Diego

The eight points of a cube, through various rotations mapped onto a pitch/time grid August 28. 7:00pm House concert, San Diego

A tone is played during second N if (N*2+1) is prime August 20. 8:00pm House concert, San Diego

A series of randomly chosen permutations of 8 randomly chosen pitches in the range D4 - C#5 (duplicate pitches permitted) A new set of pitches is chosen every 10 minutes August 16, 2018. 7:00pm House concert, San Diego

Each new bow is a new frequency corresponding to the average pitch of a unique phrase of seagull calls as recorded over a day in La Jolla cove August 12, 2018. 7:00pm House concert, San Diego

A series of 20-second-duration tones, each systematically subdivided into 5 shorter durations with simple integer ratios (1, 2, 3, 4, 5) (1, 2, 3, 4, 6) (1, 2, 3, 5, 6) (1, 2, 4, 5, 6) etc. (indicated by change of bow) August 5, 2018. 7:00pm House concert, San Diego

A tone: 25 beats sustain, 16 beats rest; repeated 200 times at tempo 144 bpm July 30, 2018. 7:00pm House concert, San Diego

Repeated shuffling of a deck of cards (starting with a new deck) Each suit mapped to a string, each card to a pitch July 23, 2018. 6:00pm House concert, San Diego

4-part all-partition arrays played on the 4 strings July 15, 2018. 7:00pm House concert, San Diego

72 hours mapped onto 72 minutes A tone is played during second N of the performance if I spoke during minute N of the 72-hour observation period July 6, 2018. 7:00pm House concert, San Diego

During each minute number M, a tone is sustained during seconds which are multiples of numbers 2 through M+1. The other seconds are rests June 22, 2018. 7:00pm House concert, San Diego

2-voice canon at the unison Notes in voice 1 played every beat with a duration of half a beat, pitch is D4 or E4 (randomly chosen) second voice enters after 9.5 beats June 19, 2018. 7:00pm House concert, San Diego

20000 beats 2 nearby frequencies (played on 2 strings) phase across each other 20,000 times (performed with the aid of a computer) June 15, 2018. 7:00pm House concert, San Diego

A drone (open string) played against a pitch that oscillates (maximum of +/- a minor second from the drone) The pitch of the oscillating note is an exact slowed-down replica of the waveform of the dyad being played (performed with the aid of a computer) June 12, 2018. 6:00pm House concert, San Diego

2-voice prolation canons that are also palindromes (each voice on a single pitch) June 10, 2018. 7:00pm House concert, San Diego

Just intervals corresponding to the time (hours and minutes) the performance lasts from 20:05 to 20:59 June 4, 2018. 8:00pm House concert, San Diego

2-voice canon at the 5th Voice 1 notes randomly chosen from pitches D4 - A4. Voice 2 follows after 3 notes pitches A4 - E4 Each dyad sustained for a full slow bow June 1, 2018. 4:00pm House concert, San Diego

A series of randomly-created pitch/duration palindromes of varying lengths May 28, 2018. 7:00pm House concert, San Diego

Transcriptions of a table tennis ball falling down various stairwells May 21, 2018. 6:00pm House concert, San Diego

2-voice canon at the major second (each voice a single pitch) Each beat, the line either sustains or rests (determined randomly). The 2nd voice enters after 10 beats May 15, 2018. 7:00pm House concert, San Diego

100 digits of pi in bases 2 through 100 using a simple digit to pitch mapping May 10, 2018. 7:00pm House concert, San Diego

2-voice canon at the major second (each voice a single pitch) The voices alternate. A new pitch begins every 10 seconds The duration of each pitch is randomly chosen from 1-20 beats at 120 bpm The canon has a 10-note delay May 8, 2018. 7:00pm House concert, San Diego

Oscillations of a point on the surface of the water at La Jolla Cove slowed down and mapped into pitch May 6, 2018. 8:00pm House concert, San Diego

2-voice duration canon at the major second (each voice a single pitch) Voices alternate each tone without overlap or gap Each note in the line has a randomly chosen duration 1-10 beats Identical durations in the imitating voice with a 10 note delay May 1, 2018. 7:00pm House concert, San Diego

One million vibrations 320 Hz sustained for 52'05" April 26, 2018. 5:00pm House concert, San Diego

Single melody constructed from statistical anaylsis of Gregorian chants April 15, 2018. 7:00pm House concert, San Diego

Deriving various commas (greater/lesser diesis, pythagorean, syntonic, diaschisma, kleisma, schisma, ragisma, etc.) performed with cellist Judith Hamann April 8, 2018. 7:00pm Bread and Salt, San Diego

Durations of a repeated pitch taken from an r/counting "tug of war" thread. about April 3, 2018. 6:00pm House concert, San Diego

Ascending prime numbers in base 12 digits mapped to pitches March 28, 2018. 7:00pm House concert, San Diego

Walking the Chartres labyrinth pitch mapped to circuit, string mapped to quadrant, duration mapped to constant walking pace March 21, 2018. 6:00pm House concert, San Diego

Paths through a 4x4x4 cube set on a pitch/duration/volume grid March 1, 2018. 7:00pm House concert, San Diego

3 alternating pitches sustained for durations of breathing stages (in, out, rest) as measured during an hour of my sleep. February 17, 2018. 6:00pm House concert, San Diego

2 alternating pitches sustained for durations of swash oscillations at a point in La Jolla Cove measured during an hour the day of the performance February 12, 2018. 7:00pm House concert, San Diego

Alternating tone and rest (from Series for any Solo Player) C#5 played for 20 beats at tempo 107 bpm and then rest for 7 beats at tempo 95 bpm. Repeat 162 times January 23, 2018. 7:00pm House concert, San Diego

Pizzicatos on open G played until exactly 3 seconds apart (to the nearest millisecond as measured by a computer) January 14, 2018. 5:00pm House concert, San Diego

Random pitches with various probability distributions (normal, beta, exponential, erlang, chi-squared, etc.) December 11th, 2017. 8:00pm House concert, San Diego

From the tradition of change ringing, the Avalon Delight Maximus method (applied to a chromatic scale) about November 27th, 2016. 6:00pm House concert, San Diego

Bridge hands played out, taken from the New York Times bridge column Each suit mapped to a string, each card to a pitch October 2nd, 2017. 7:00pm House concert, San Diego

Transcription of a dripping faucet September 9, 2017. 7:00pm House concert, San Diego

An oscillating pitch that is an exact slowed-down replica of the waveform of the note being played (performed with the aid of a computer) September 5, 2017. 7:00pm House concert, San Diego

A series of notes in which the pitch of the Nth note is deterimed by the number of factors of N. (Prime numbers are rests) August 14, 2017. 8:00pm House concert, San Diego

Various sorting algorithms used to sort randomized pitches into a chromatic scale (merge, insterstion, quick, bubble, heap, counting, shell, comb, buecket, radix, etc.) August 1, 2017. 7:00pm House concert, San Diego

9th iteration Cantor Set as a rhythmic pattern on a single pitch July 13, 2017. 7:00pm House concert, San Diego

Different ways of dividing a 12-note chromatic collection of pitches into 6 unique intervals June 28, 2017. 7:30pm House concert, San Diego

Pitch collections based on the coefficients of the polynomials that have a root at -2 June 19, 2017. 7:00pm House concert, San Diego

An arrangment of Tristan and Isolde for solo violin where each measure is mapped onto one beat. A tone is played if Tristan sings in the measure, and a different tone is played if Isolde sings in that measure. June 6, 2017. 9:00pm The Dog Star Festival, L.A.

A softly sustained tone, amplified by the volume envelopes from a live feed of the waves at La Jolla Cove June 4, 2017. 7:00pm House concert, San Diego

Small pebbles rolled down the back of the instrument (in this case a cello) one at a time, at regular intervals, attempting to create the same path each time May 23, 2017. 7:30pm House concert, San Diego

Harness sequences from classic 12-shaft weaving patterns May 22, 2017. 7:00pm House concert, San Diego

Random computer-generated sine waves of frequencies 200 - 1000 Hz (5 seconds duration) followed by my attempt to match the pitch on the violin wihtout adjustment (5 seconds duration) May 15, 2017. 8:00pm House concert, San Diego

Transcription of a fly trapped in a box May 3, 2017. 7:00pm House concert, San Diego

Segments of various continuous mathematical functions mapped onto an octave (as a glissando) (each function begins at (0, 0) and ends at (60, 12), played over the course of 1 minute) April 29, 2017. 7:00pm House concert, San Diego

A series of chess openings (with dyads indicating coordinates of moves) April 18, 2017. 7:30pm House concert, San Diego

Melodies based on various texts. One tone per word. The pitch of each tone is determined by how many times the corresponding word has been used so far in the text April 14, 2017. 7:30pm House concert, San Diego

A series of 48-note all-interval rows April 11, 2017. 6:30pm La Jolla Public Library, San Diego

10000 repetitions of a single pitch April 6, 2017. 7:00pm Bread and Salt, San Diego

Towers of Hanoi The three stacks represented by three strings, pitch up from the open string represents stack height, duration represents disk size April 1, 2017. 7:30pm House concert, San Diego

Counting - by drawing the numerals on the surface of the string with the bowhair (wihtout losing contact with the string) March 27, 2017. 7:30pm House concert, San Diego

Sonification of long division (on 2 strings: one for the answer, one for the remainder as they develop) March 20, 2017. 7:00pm House concert, San Diego

4087:6527:7169 polyrhythm (on 3 pitches) March 16, 2017. 7:00pm House concert, San Diego

Various molecules encoded in InChI, and translated into pitches using a simple mapping. March 1, 2017. 7:00pm House concert, San Diego

Measuring time: a system that divides the day into units in base 12 Each violin string maps the units at different orders of magnitude 4-note chords tell the time. (4 open strings at midnight) Corresponding time-chords are played at various moments throughout the performance February 20, 2017. 7:00pm House concert, San Diego

A series of Knight's Tours through a simple pitch/duration grid February 19, 2017. 8:00pm House concert, San Diego

One dimensional cellular automata - Rule 110 in 2 parts: -applied to a scale of pitches -applied to a rhythmic pattern about January 17, 2017. 7:00pm House concert, San Diego

The square root of 2 expressed in binary (1 = pizz open G string, 0 = no pizz) December 13, 2016. 8:00pm House concert, San Diego

Sets of 200 pitches generated by various methods of randomness and pseudo-randomness (dice, atmospheric noise, mersenne twister, card shuffle, coin flip, xorshift, roulette wheel, lava lamp, middle square, etc.) December 3, 2016. 7:00pm House concert, San Diego

Spelling consecutive words from the dictionary using a simple letter-to-pitch mapping November 19, 2016. 7:00pm House concert, San Diego

Reverse and add process until palindrome on various numbers in base 12 November 1, 2016. 6:00pm House concert, San Diego

Logistic map The frequency of the pitch on each bow (f) is based on the frequency of the previous pitch (F): f = {[(F - 330) / 330] * (1 - [(F - 330) / 330]) * (pi + 0.8)} * 330 + 330 October 21, 2016. 8:00pm House concert, San Diego

Most common frequency (in the violin range) detected each day from a microphone outside my house Monitored for one year One bow = one day September 15, 2016. 8:00pm House concert, San Diego

A catalogue of notated ornaments from instrumental music of the last 500 years, arranged by contour and interval content September 8, 2016. 7:00pm House concert, San Diego

A sustained tone that rises in pitch 1 Hz each bow change August 23, 2016. 7:00pm House concert, San Diego

Random pitches and durations (played softly) (derived from random.org's atmospheric noise algorithm) about August 3, 2016. 7:00pm Low Gallery, San Diego

A sonification of the first 4000 prime numbers mapped onto a chromatic scale (P mod 13) about July 22, 2016. 7:00pm The silo at Bread and Salt, San Diego

Selections from Gaylord Yost's "Exercises for the Change of Position" about July 20, 2016. 7:00pm The silo at Bread and Salt, San Diego

From the tradition of change ringing, the Palatino Surprise Maximus method (applied to a chromatic scale) about July 18, 2016. 7:00pm The silo at Bread and Salt, San Diego