Favorite illustrations from music theory texts




Iacobus de Ispania: Speculum musicae



Walter O'Connell: Tone Spaces



Marin Mersenne: Harmonie universelle



Paul Erlich: The Forms of Tonality



Ian Quinn: General Equal-Tempered Harmony



Athanasius Kircher: Musurgia Universalis



Erv Wilson: Hebdomekontany



Marin Mersenne: Harmonie universelle



Winchester and Portsmouth Guild of Church Bellringers on twitter



Jan Haluska: The Mathematical Theory of Tone Systems



Mauricio Kagel: Translation-Rotation



Pauline Oliveros: Software for People



Athanasius Kircher: Musurgia Universalis



Robert Gross: Music Theory Nerd Fight II



Walter O'Connell: Tone Spaces



Marin Mersenne: Harmonie universelle