| 1. String Quartet No. 5 in E flat major, H. 2/6, Op. 1/0: Presto (40:01) |
| Common Name | Rasumovsky 1 String, String Quartet 7 |
| Composer | Ludwig van Beethoven (1770 - 1827) |
| Performer | Leonard Sorkin (Violin) George Sopkin (Cello) Abram Loft (Violin) Bernard Zaslav (Viola) |
| Genre | Romantic Period |
| Date Written | 1806 |
| Period | Romantic |
| 2. String Quartet No. 5 in E flat major, H. 2/6, Op. 1/0: Menueto (30:51) |
| Common Name | Rasumovsky 2 String, String Quartet 8 |
| Composer | Ludwig van Beethoven (1770 - 1827) |
| Performer | Leonard Sorkin (Violin) George Sopkin (Cello) Abram Loft (Violin) Bernard Zaslav (Viola) |
| Genre | Romantic Period |
| Date Written | 1806 |
| Period | Romantic |
| 3. String Quartet No. 5 in E flat major, H. 2/6, Op. 1/0: Adagio (27:27) |
| Common Name | Rasumovsky 3 String, String Quartet 9 |
| Composer | Ludwig van Beethoven (1770 - 1827) |
| Performer | Leonard Sorkin (Violin) Gerald Stanick (Viola) George Sopkin (Cello) Abram Loft (Violin) |
| Genre | Romantic Period |
| Date Written | 1806 |
| Period | Romantic |
| 4. String Quartet No. 5 in E flat major, H. 2/6, Op. 1/0: Menuet (38:10) |
| Common Name | Heiliger Dankgesang String, String Quartet 15 |
| Composer | Ludwig van Beethoven (1770 - 1827) |
| Performer | Leonard Sorkin (Violin) Gerald Stanick (Viola) George Sopkin (Cello) Abram Loft (Violin) |
| Genre | Romantic Period |
| Date Written | 1825 |
| Period | Romantic |
| Country | Austria |
| 5. String Quartet No. 5 in E flat major, H. 2/6, Op. 1/0: (Finale) Presto (15:26) |
| Common Name | String Quartet 5 |
| Catalog No. | H 2 |
| Composer | Franz Joseph Haydn (1732 - 1809) |
| Performer | Leonard Sorkin (Violin) George Sopkin (Cello) Abram Loft (Violin) Bernard Zaslav (Viola) |
| Genre | Classical Period / Quartet |
| Date Written | circa 1757-1759 |
| Period | Classical |
| 6. String Quartet in F major Op. 2/5, H. 3/11 (spurious, arr. of divertimento H. 2/44): Presto (13:08) |
| Common Name | String Quartet 5 |
| Catalog No. | H 2 / H 3 |
| Composer | Franz Joseph Haydn (1732 - 1809) |
| Performer | Leonard Sorkin (Violin) George Sopkin (Cello) Abram Loft (Violin) Bernard Zaslav (Viola) |
| Genre | Classical Period / Divertimento / Quartet |
| Date Written | 1766 |
| Period | Classical |
| 7. String Quartet in F major Op. 2/5, H. 3/11 (spurious, arr. of divertimento H. 2/44): Menuet (17:00) |
| Catalog No. | H 3 |
| Composer | Franz Joseph Haydn (1732 - 1809) |
| Performer | Leonard Sorkin (Violin) George Sopkin (Cello) Abram Loft (Violin) Bernard Zaslav (Viola) |
| Genre | Classical Period / Quartet |
| Date Written | circa 1760-1762 |
| Period | Classical |
| 8. String Quartet in F major Op. 2/5, H. 3/11 (spurious, arr. of divertimento H. 2/44): Largo (18:19) |
| Common Name | String Quartet 23 5 |
| Catalog No. | H 3 |
| Composer | Franz Joseph Haydn (1732 - 1809) |
| Performer | Leonard Sorkin (Violin) George Sopkin (Cello) Abram Loft (Violin) Bernard Zaslav (Viola) |
| Genre | Classical Period / Quartet |
| Date Written | 1772 |
| Period | Classical |
| 9. String Quartet in F major Op. 2/5, H. 3/11 (spurious, arr. of divertimento H. 2/44): Menuet (16:34) |
| Catalog No. | H 3 |
| Composer | Franz Joseph Haydn (1732 - 1809) |
| Performer | Leonard Sorkin (Violin) George Sopkin (Cello) Abram Loft (Violin) Bernard Zaslav (Viola) |
| Genre | Classical Period / Quartet |
| Date Written | 1790 |
| Period | Classical |
| 10. String Quartet in F major Op. 2/5, H. 3/11 (spurious, arr. of divertimento H. 2/44): Finale (20:12) |
| Common Name | Sunrise String, String Quartet 63 |
| Catalog No. | H 3 |
| Composer | Franz Joseph Haydn (1732 - 1809) |
| Performer | Leonard Sorkin (Violin) George Sopkin (Cello) Abram Loft (Violin) Bernard Zaslav (Viola) |
| Genre | Classical Period / Quartet |
| Date Written | 1797 |
| Period | Classical |
| Notes | Composition written: 1797.
Composition revised: Hungary. |
| 11. String Quartet No. 10 in B flat major, Op. 2/6, H. 3/12: Adagio (21:18) |
| Catalog No. | H 3 |
| Composer | Franz Joseph Haydn (1732 - 1809) |
| Performer | Leonard Sorkin (Violin) George Sopkin (Cello) Abram Loft (Violin) Bernard Zaslav (Viola) |
| Genre | Classical Period |
| Date Written | 1797 |
| Period | Classical |
| Country | Austria |
| 12. String Quartet No. 10 in B flat major, Op. 2/6, H. 3/12: Menuetto (21:46) |
| Common Name | Hunt String, String Quartet 17 |
| Catalog No. | K 458 |
| Composer | Wolfgang Amadeus Mozart (1756 - 1791) |
| Performer | Leonard Sorkin (Violin) George Sopkin (Cello) Abram Loft (Violin) Bernard Zaslav (Viola) |
| Genre | Classical Period |
| Date Written | 1784 |
| Period | Classical |
| Country | Austria |
| 13. String Quartet No. 10 in B flat major, Op. 2/6, H. 3/12: Scherzo: Presto (22:36) |
| Common Name | Hoffmeister String, String Quartet 20 |
| Catalog No. | K 499 |
| Composer | Wolfgang Amadeus Mozart (1756 - 1791) |
| Performer | Leonard Sorkin (Violin) Gerald Stanick (Viola) George Sopkin (Cello) Abram Loft (Violin) |
| Genre | Classical Period / Quartet |
| Date Written | 1786 |
| Period | Classical |
| Country | Austria |
| 14. String Quartet No. 10 in B flat major, Op. 2/6, H. 3/12: Menuet (25:27) |
| Common Name | Piano Quartet 2 |
| Catalog No. | K 493 |
| Composer | Wolfgang Amadeus Mozart (1756 - 1791) |
| Performer | Leonard Sorkin (Violin) John Browning (Piano) Gerald Stanick (Viola) George Sopkin (Cello) |
| Genre | Classical Period / Quartet |
| Date Written | 1786 |
| Period | Classical |
| 15. String Quartet No. 10 in B flat major, Op. 2/6, H. 3/12: (Finale) Presto (7:26) |
| Catalog No. | K 546 |
| Composer | Wolfgang Amadeus Mozart (1756 - 1791) |
| Performer | Leonard Sorkin (Violin) Gerald Stanick (Viola) George Sopkin (Cello) Abram Loft (Violin) |
| Genre | Classical Period / Fugue |
| Date Written | 1788 |
| Period | Classical |
| Country | Austria |
| 16. String Quartet No. 23 in F minor, Op. 20/5, H. 3/35: Moderato (29:30) |
| Common Name | String Quartet 2 2 |
| Composer | Johannes Brahms (1833 - 1897) |
| Performer | Leonard Sorkin (Violin) Gerald Stanick (Viola) George Sopkin (Cello) Abram Loft (Violin) |
| Genre | Romantic Period |
| Date Written | 1865 |
| Period | Romantic |
| Country | Germany |
| 17. String Quartet No. 23 in F minor, Op. 20/5, H. 3/35: Menuetto (20:33) |
| Common Name | String Quartet 3 |
| Composer | Karel Husa (1921 - ) |
| Performer | Leonard Sorkin (Violin) George Sopkin (Cello) Abram Loft (Violin) Bernard Zaslav (Viola) |
| Genre | Quartet |
| Date Written | 1968 |
| 18. String Quartet No. 23 in F minor, Op. 20/5, H. 3/35: Adagio (20:16) |
| Common Name | String Quartet 4 |
| Composer | Seymour Shifrin (1926 - 1979) |
| Performer | Leonard Sorkin (Violin) George Sopkin (Cello) Abram Loft (Violin) Bernard Zaslav (Viola) |
| Genre | Quartet |
| Date Written | 1966-1967 |
| 19. String Quartet No. 23 in F minor, Op. 20/5, H. 3/35: Finale: Fuga a due soggetti (28:36) |
| Common Name | String Quartet 1 1 |
| Composer | Ludwig van Beethoven (1770 - 1827) |
| Performer | Leonard Sorkin (Violin) George Sopkin (Cello) Abram Loft (Violin) Bernard Zaslav (Viola) |
| Genre | Romantic Period |
| Date Written | 1798-1800 |
| Period | Romantic |
| Notes | Composition written: 1798-1800.
Composition revised: Germany. |
| 20. Adagio and Fugue for string quartet (or string orchestra) in C minor, K. 546: Adagio (28:02) |
| Composer | Johannes Brahms (1833 - 1897) |
| Performer | Naomi Zaslav (Piano) Leonard Sorkin (Violin) Barry Tuckwell (Horn) |
| Genre | Romantic Period / Trio |
| Date Written | 1865 |
| Period | Romantic |
| 21. Adagio and Fugue for string quartet (or string orchestra) in C minor, K. 546: Fugue (16:29) |
| Common Name | Quintet For Horn Violin 2 Violas & Cello |
| Catalog No. | K 386C / K 407 |
| Composer | Wolfgang Amadeus Mozart (1756 - 1791) |
| Performer | Leonard Sorkin (Violin) George Sopkin (Cello) Bernard Zaslav (Viola) Barry Tuckwell (Horn) |
| Genre | Classical Period / Quintet |
| Date Written | 1782 |
| Period | Classical |
| Notes | Composition written: 1782.
Composition revised: Germany. |
| 22. String Quartet No. 2 in A minor, Op. 51/2: Allegro ma non troppo (17:05) |
| Common Name | String Quartet 3 |
| Catalog No. | SZ 85 |
| Composer | Béla Bartók (1881 - 1945) |
| Performer | Leonard Sorkin (Violin) Gerald Stanick (Viola) George Sopkin (Cello) Abram Loft (Violin) |
| Date Written | 1927 |
| 23. String Quartet No. 2 in A minor, Op. 51/2: Andante moderato (22:44) |
| Common Name | String Quartet |
| Composer | Paul Hindemith (1895 - 1963) |
| Performer | Leonard Sorkin (Violin) Gerald Stanick (Viola) George Sopkin (Cello) Abram Loft (Violin) |
| Genre | Quartet |
| Date Written | 1921 |
| 24. String Quartet No. 2 in A minor, Op. 51/2: Quasi Minuetto moderato (25:04) |
| Common Name | String Quartet 2 |
| Composer | Jean Martinon (1910 - 1976) |
| Performer | Leonard Sorkin (Violin) Gerald Stanick (Viola) George Sopkin (Cello) Abram Loft (Violin) |
| Genre | Quartet |
| Date Written | 1966 |