1. John Cage & Lejaren Hiller: HPSCHD (1967-69) 21:00
2-4. Ben Johnston: String Quartet No.2 (1964) 14:57
2. Light And Quick: With Grace And Humor 2:44
3. Intimate, Spacious 5:21
4. Extremely Minute And Intense; Not Fast — Quick, Mercurial — Very Fast, With Suppressed Excitement — Quick —
Extremely Minute 6:40
Antoinette Vischer, Neupert Bach-model harpsichord (Solo II); Neely Bruce, Hubbard double harpsichord with 17% Eltro time
compression (solo VI); David Tudor, Baldwin solid-body electronic harpsichord (Solo I).
The Composers Quartet: Matthew Raimondi and Anahid Ajemian, violin. Bernard Zaslov, viola. Seymour Barab, cello.
Recorded at the Experimental Music Studio, University of Illinois, Urbana. No dates mentioned.
Original Computer Programming for 'HPSCHD': Laetitia Snow
Engineer for 'HPSCHD': George Ritscher
Preparation Of Original Sound Tapes for 'HPSCHD': James Cuomo
Technical Processing Of The Tape Collage for 'HPSCHD': Jaap Spek
Art Director: William S. Harvey
Cover Design: Hess and/or Antupit
Engineer for side B: Marc J. Aubort
Coordination: Teresa Sterne
Liner Notes: Peter Yates
Japanese re-release of LP: Nonesuch H-71224 and cassette Nonesuch N5-1224
CD released in 1998