John Cage & Lejaren Hiller - HPSCHD / Ben Johnston - String Quartet No. 2

Published by Nonesuch Records, Broadway, New York

Containing:
- 12'' vinyl record
- Program (knobs) for the listener. Output sheet no. 7323,
   Sheet typewritten, 55.5 x 38 cm.

Audio programe note:

Side A
- John Cage & Lejaren Hiller, "HPSCHD"
  Length: 21'00''
Side B
- Ben Johnston, "String Quartet No. 2"
  Length: 14'57''