[cd .1] Piano quartet in E♭[K 493] / Mozart (Mieczyslaw Horszowski, piano, Yehudi Menuhin, violin, Ernst Wallfisch, viola, Casals [July 7, 1956]) (31:39)
Piano trio in G minor, op. 110 / Schumann (Sandor Végh, violin, Rudolf Serkin, piano, Casals [July 11, 1956]) (31:19)
[cd. 2] Piano trio in C minor, op. 1 no 3 (Yaltah Menuhin, piano, Yehudi Menuhin, violin, Casals [July 18, 1959]) (30:10) ; Piano trio in D, op. 70 no 1 ["Ghost trio"] (Szymon Goldberg, violin, Serkin, piano, Casals [June 18, 1954]) (30:35) / Beethoven
[cd. 3] Piano trio in C minor, op. 101 / Brahms (Yehudi Menuhin, violin, Eugene Istomin, piano, Casals [July 13, 1955]) (21:40)
Piano trio in E♭ major, op. 70 no 2 / Beethoven (Goldberg, Serkin, Casals [June 18, 1954) (34:28)
[cd. 4] Suite for cello in C, BWV 1009 / J.S. Bach (Casals [date unknown]) (22:07))
Sonata for cello & piano in D, op. 102 no 2 (Casals, Horszowski [June 1953]) (21:55) ; Piano trio [variations] in G : "Kakadu," op. 121a (Goldberg, Serkin, Casals [June 18, 1954]) (19:48) / Beethoven
[cd. 5] Sonata for cello & piano in G, BWV 1027 / J.S. Bach (Casals, Horszowski [July 8, 1956]) (15:57))
Piano trio no 1 in B, op. 8 / Brahms (Yehudi Menuhin, Istomin, Casals [July 13, 1955] (33 min.)
Trio in A minor for clarinet, cello & piano, op. 114 / Brahms (David Oppenheim, clarinet, Casals, cello, Istomin, piano [July 3, 1955]) (25:45)
[cd. 6] Piano trio in F, op. 80 / Schumann (Yehudi Menuhin, Horszowski, Casals [July 4, 1956]) (29:40)
Piano trio [sic; i.e., quartet] in E♭, K 493 / Mozart (William Kapell, piano, Arthur Grumiaux, violin, Milton Thomas, viola, Paul Tortelier, cello [June 1, 1953]) (25:57)
[cd. 7] The Well Tempered Clavier, book 2. [Preludes & fugues] : No 5 in D, BWV 874 (8:02) ; No 14 in F# minor, BWV 883 (9:48) ; No 15 in G, BWV 884 (4:18) ; No 24 in B minor, BWV 893 (4:30) / J.S. Bach (Horszowski, piano [1956])
Sonata for violin & piano in D, op. 12 no 1 / Beethoven (Grumiaux, Kapell [June 20, 1953]) (17:37)
Oboe quartet in F, K 370 / Mozart (Marcel Tabuteau, oboe, Orrea Pernel, violin, Karen Tuttle, viola, Tortelier, cello [June 1953]) (13:18)
Aria [= Zeffiretti lusinghieri, Act III] : from Idomeneo, K 366 / Mozart (Victoria de Los Angeles, Colleg. Mus. (London), cond. Casals [July 9, 1959]) (7:06))
[cd. 8] Piano trio no 2 in C, op. 87 / Brahms (Y. Menuhin, Istomin, Casals [1955]) (29:40)
Piano trio in D minor, op. 63 / Schumann (Joseph Szigeti, violin, Horszowski, piano, Rudolf von Tobel, cello [1956]) (37:20)
[cd. 9] Sonatas for cello & piano, op. 5. No 1 in F (Casals, Serkin [1954]) (26:38) ; No 2 in G minor (Casals, Istomin [1954]) (26:09) ; Sonata for horn [or cello] & piano in F, op 17 (Casals, cello, Horszowski, piano [1958]) (16:28) / Beethoven
[cd. 10] Sonatas for cello & piano. Op. 69 in A (Casals, Alfred Cortot, piano [1958] (30:50) ; Op. 102 no 1 in C (Casals, Serkin [1953] (16 min.)) ; Op. 102 no 2 in D (Casals, Serkin [1954]) (14:50) / Beethoven
[cd. 11] Seven variations for cello & piano on [Mozart's] "Bei Mannern" [WoO 46] / Beethoven (Casals, Cortot [1958]) (11:16)
Sonata for piano & violin in A, op 30 no 1 / Beethoven (Horszowski, Goldberg [1954]) (24:03)
Clarinet quintet in A, K 581 / Mozart (Gonzales, Végh Quartet [1956]) (33:22)
[cd. 12] Quintet for strings in C [D 956] / Schubert (Jacob Krachmalnik & Orrea Pernel, violins, Tuttle, viola, Madeleine Foley & Casals, cellos [1953]) (45:03)
Piano trio in D minor, op. 49 / Mendelssohn (Karl Engel, piano, Sandor Végh, violin, Casals, cello [1960]) (20:45)
[cd. 13] Adagio & Allegro in A♭, op. 70 / Schumann (Clifford Curzon, piano, Casals, cello [1956]) (10:49)
String quartet in A Minor, op. 41 no 1 / Schumann (Végh Quartet [1956]) (25:30)
Piano quintet in E♭, op. 44 / Schumann (Serkin, piano, Végh Quartet [1956] (32:42)).