1 | | Quatuor III "9 Etudes": I. Bowing | Betsy Jolas, Concord String Quartet | E♭ Major | 5B | 113 |
2 | | Quatuor III "9 Etudes": II. Vibrato | Betsy Jolas, Concord String Quartet | B Major | 1B | 93 |
3 | | Quatuor III "9 Etudes": III. Aleatory Structures | Betsy Jolas, Concord String Quartet | C Major | 8B | 174 |
4 | | Quatuor III "9 Etudes": IV. Trills and Bowed Tremolo | Betsy Jolas, Concord String Quartet | F Major | 7B | 66 |
5 | | Quatuor III "9 Etudes": V. Harmonics | Betsy Jolas, Concord String Quartet | C Major | 8B | 107 |
6 | | Quatuor III "9 Etudes": VI. Multiple Stops | Betsy Jolas, Concord String Quartet | F Minor | 4A | 87 |
7 | | Quatuor III "9 Etudes": VII. Aleatory Structures Around a Held C | Betsy Jolas, Concord String Quartet | A Minor | 8A | 84 |
8 | | Quatuor III "9 Etudes": VII. Pizzicati | Betsy Jolas, Concord String Quartet | F Minor | 4A | 87 |
9 | | Quatuor III "9 Etudes": IX. Summing Up | Betsy Jolas, Concord String Quartet | F Major | 7B | 88 |
10 | | Quartet No. 6 for Strings: I. Arrabiato | Lejaren Hiller, Concord String Quartet | G Major | 9B | 138 |
11 | | Quartet No. 6 for Strings: II. Tranquillo | Lejaren Hiller, Concord String Quartet | D♭ Major | 3B | 105 |
12 | | Quartet No. 6 for Strings: III. Vivace | Lejaren Hiller, Concord String Quartet | D♭ Major | 3B | 57 |