Who did the composer of "Music for Electric Metronomes" study with?
Music for Electric Metronomes: Music for Electric Metronomes is an avant-garde aleatoric composition written in 1960 by Japanese composer Toshi Ichiyanagi for any number of performers between three and eight. Toshi Ichiyanagi:  He studied with Tomojiro Ikenouchi, Kishio Hirao, and John Cage.
Tomojiro Ikenouchi, Kishio Hirao, and John Cage