Piano Etude I

1971

Two pianos playing patterns in fast, note–by–note alternation with each other, or one piano with head–gap tape delay at 7 1/2 ips or equivalent short delay.

The score is included in Biofeedback and the Arts, Aesthetic Research Centre of Canada, Vancouver, 1975 and Music for Keyboard Instruments and Improvisation Groups, both distributed by Frog Peak Music, Hanover, NH; a recorded version accompanied by brainwave–controlled filtering of the piano sound that is synchronized with the alpha brainwaves of the performer was released on Brainwave Music, Aesthetic Research Centre of Canada, ST1002, Toronto, 1976 LP.