Photo Credit: Link

Archimusical Works:
Music for Electric Metronome. 1960
Kaiki [Recurrence] for Koto for John Cage, 1960
IBM for Merce Cunningham. 1960
Music for Piano

Links:
Toshi Ichiyanagi @ Oxford
Works @ Forcedexposure.com
Fields of Indeterminacy: Toshi Ichiyanagi’s Fluxus Scores

Wikipedia: