Tracklist Hide Credits

1	–John Cage & Lejaren Hiller	HPSCHD Computer [Original Computer Programming] – Laetitia SnowEngineer – George RitscherHarpsichord [Baldwin Solid-body Electronic] – David TudorHarpsichord [Hubbard Double With 17% Eltro Time Compression] – Neely BruceHarpsichord [Neupert Bach-model] – Antoinette VischerTape [Preparation Of Original Sound Tapes] – James Cuomo*Technician [Technical Processing Of The Tape Collage] – Jaap Spek	21:00
String Quartet No. 2	14:57
2	–Ben Johnston	Light And Quick: With Grace And Humor	2:44
3	–Ben Johnston	Intimate, Spacious	5:21
4	–Ben Johnston	Extremely Minute And Intense; Not Fast — Quick, Mercurial — Very Fast, With Suppressed Excitement — Quick — Extremely Minute	6:40

Credits

• Art Direction [Art Director] – William S. Harvey
• Cello – Seymour Barab (tracks: 2 to 4)
• Coordinator [Coordination] – Teresa Sterne
• Design [Cover Design] – Hess and/or Antupit
• Engineer – Marc J. Aubort (tracks: 2 to 4)
• Liner Notes – Peter Yates
• Strings – The Composers Quartet (tracks: 2 to 4)
• Viola – Bernard Zaslov* (tracks: 2 to 4)
• Violin – Anahid Ajemian (tracks: 2 to 4), Matthew Raimondi (tracks: 2 to 4)

Notes

HPSCHD (1967-1969) for harpsichords & computer generated sound tapes.
String Quartet No. 2 .

The computer-output sheet included in this album is one of 10,000 different numbered solutions of the program KNOBS. It enables the listener who follows its instructions to become a performer of theis recording of HPSCHD.

Other versions

Category	Artist	Title (Format)	Label	Category	Country	Year
H-71224	John Cage & Lejaren Hiller / Ben Johnston	John Cage & Lejaren Hiller / Ben Johnston - HPSCHD / String Quartet No. 2 ‎(LP, Album)	Nonesuch	H-71224	US	1971
H-71224	John Cage & Lejaren Hiller / Ben Johnston	John Cage & Lejaren Hiller / Ben Johnston - HPSCHD / String Quartet No. 2 ‎(LP, Album)	Nonesuch	H-71224	Canada	Unknown
H-71224	John Cage & Lejaren Hiller / Ben Johnston	John Cage & Lejaren Hiller / Ben Johnston - HPSCHD / String Quartet No. 2 ‎(LP, RE)	Nonesuch	H-71224	US	Unknown
N5-1224	John Cage & Lejaren Hiller / Ben Johnston	John Cage & Lejaren Hiller / Ben Johnston - HPSCHD / String Quartet No. 2 ‎(Cass, Album)	Nonesuch	N5-1224	US	Unknown
H-71224	John Cage & Lejaren Hiller / Ben Johnston	John Cage & Lejaren Hiller / Ben Johnston - HPSCHD / String Quartet No. 2 ‎(LP, Album)	Nonesuch	H-71224	Japan	1970