| HPSCHD | 21:00 | |
| String Quartet No. 2 | 14:57 | |
| Light And Quick: With Grace And Humor | 2:44 | |
| Intimate, Spacious | 5:21 | |
| Extremely Minute And Intense; Not Fast — Quick, Mercurial — Very Fast, With Suppressed Excitement — Quick — Extremely Minute | 6:40 |
| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| HPSCHD / String Quartet No. 2 (LP) | Nonesuch | H-71224 | US | 1969 | |
| HPSCHD / String Quartet No. 2 (CD, Album) | Nonesuch | wpcs-5133 | Japan | 1998 |