Jelaskan Beethoven: Fidelio dari Bruno Walter

Beethoven: Violin Concerto (two recordings with Joseph Szigeti, one with Zino Francescatti)

Berlioz: Symphonie fantastique, with the NBC Symphony

Brahms: Academic Festival Overture, with the Columbia SO

Brahms: Symphonies Nos. 1-4, Schiksalslied, Tragic Overture, and Haydn Variations with the Columbia SO, Vienna Philharmonic, and New York Philharmonic (two complete symphony cycles: New York Philharmonic, 1953 and Columbia Symphony Orchestra, 1959-61)

Bruckner: Symphonies Nos. 4, 7 and 9, with the Columbia SO

Dvorak: Symphonies Nos. 8 and 9, with the Columbia SO

Haydn: Symphony Nos. 86, 88, 92, 96, 100, and 102 (various orchestras, 1930s to 1950s)

Mahler: Symphony No. 9, (live) with Vienna Philharmonic, Jan 1938

Mahler: Symphony No. 9, with Columbia SO, 1961

Mahler: Symphony No. 1 (live) with the NBC Symphony Orchestra, 1939

Mahler: Symphony Nos. 1, 2, 5 and 9 with the Columbia SO

Mahler: Symphony Nos. 4, 5 with New York Philharmonic, 1945, 1947

Mahler: Adagietto from Symphony No. 5 with the Vienna Philharmonic (1938)

Mahler: Das Lied von der Erde, with the Vienna Philharmonic, Kerstin Thorborg, and Charles Kullman (1936)

Mahler: "Ich bin der Welt abhanden gekommen" with Kerstin Thorborg and the Vienna Philharmonic (1936)

Mahler: Das Lied von der Erde with the Vienna Philharmonic, Kathleen Ferrier, and Julius Patzak (1952)

Mahler: Das Lied von de Erde with the New York Philharmonic, Mildred Miller, and Ernst Haefliger (1960)

Mendelssohn: Violin Concerto with Nathan Milstein and the New York Philharmonic (1945)

Mozart: Le Nozze di Figaro, at the 1937 Salzburg Festival

Mozart: Symphonies Nos 35, 36, and 38-41, with the Columbia SO

Mozart: Symphonies Nos. 38 and 41 with the Vienna Philharmonic (1936 and 1938 respectively)

Mozart: Symphony No. 39 with the BBC Symphony Orchestra (1934)

Mozart: Symphony No. 40 (with the Vienna Philharmonic and Columbia Symphony orchestra, 1930s and 1950s)

Mozart: Eine kleine Nachtmusik (two recordings)

Mozart Piano Concerto No. 20 (pianist and conductor)

The Birth of a Performance (Rehearsals and a complete performance of Mozart's Symphony No. 36) with the Columbia Symphony Orchestra

Mozart: Don Giovanni, with the Metropolitan Opera

Mozart: The Marriage of Figaro, with the Salzburg Festival 1937

Schubert: Symphonies Nos. 5, 8 (7) in b "Unfinished," 9 (8) in C, "Great C Major" - various recordings in Europe and US

Schumann: Symphony No. 3, "Rhenish," with the New York Philharmonic (1940s)