Recitals
Erik Carlson, violin

patterns, algorithms, sonifications, concepts, etc.


Upcoming performances
(contact me about house concert attendance)


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 15, 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 19, 2019. 7:00pm
House concert, San Diego


One million vibrations II:
400 Hz sustained for 41'40"

October 25, 2019. 7:00pm
House concert, San Diego


One tone repeated every 10 seconds, moving one degree clockwise around the audience for each repetition

October 29, 2019. 7:00pm
House concert, San Diego


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

October 30, 2019. 7:00pm
House concert, San Diego


Past performances


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


I will sustain my A string, tuned at the start to 441 Hz, until it falls to 440 Hz

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 group of 8 quarter notes

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 simple integer 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


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