The 1st, 3d, and 7th works realized at the Columbia-Princeton Electronic Music Center; the 2d and 6th at the Columbia University Tape Music Studio; the 4th and 5th at the University of Illinois Electronic Music Studio and the composer's home studio.
"The works by Arel, Davidovsky, and Ussachevsky were originally released on a Son Nova record; the Gaburo appeared on a Heliodor (MGM) record."
Durations and program notes on container.
Electronic study no. 2 / M. Davidovsky -- Linear contrasts / V. Ussachevsky -- Electronic music no. 1 / B. Arel -- Lemon drops ; For Harry / K. Gaburo -- Metamorphosis / V. Ussachevsky -- Music for a sacred service / B. Arel