• 17 Music Library (Mills)

• 36 Sound Recordings

• 13 Compact Discs
• 12 Vinyl Records

• 20 Piano music
• 18 Concertos (Piano)
• 9 Sonatas (Piano)
• 8 Suites (Piano)
• 4 Mazurkas
• 3 Piano music, Arranged
• 3 Piano with orchestra
• 3 Sonatas (Violin and piano)
• 3 Waltzes
• 2 Sonatas (Viola and piano)
• 2 Toccatas
• 2 Variations (Piano with orchestra)
• 2 Violin with orchestra, Arranged
• 1 Bass clarinet
• 1 Clarinet
• 1 Concertos (Violin)
• 1 Kapell, William, 1922-1953
• 1 Pianists
• 1 Polonaises
• 1 Quintets (Clarinet, violins (2), viola, cello)
• 1 Romances (Music)
• 1 Sonatas (Cello and piano)
• 1 Song cycles
• 1 Songs (High voice) with instrumental ensemble
• 1 Suites (Clarinet and piano)

• 36 Kapell, William, 1922-1953
• 11 Chopin, Frédéric, 1810-1849
• 11 Rachmaninoff, Sergei, 1873-1943
• 8 Bach, Johann Sebastian, 1685-1750
• 8 Brahms, Johannes, 1833-1897
• 7 Beethoven, Ludwig van, 1770-1827
• 7 Prokofiev, Sergey, 1891-1953
• 7 Robin Hood Dell Orchestra of Philadelphia
• 6 Khachaturi︠a︡n, Aram, 1903-1978
• 6 Liszt, Franz, 1811-1886
• 6 Mozart, Wolfgang Amadeus, 1756-1791
• 5 Boston Symphony Orchestra
• 5 Dallas Symphony Orchestra
• 5 Debussy, Claude, 1862-1918
• 5 Dorati, Antal
• 5 Heifetz, Jascha, 1901-1987
• 5 Koussevitzky, Serge, 1874-1951
• 5 Reiner, Fritz, 1888-1963
• 5 Schubert, Franz, 1797-1828
• 5 Shostakovich, Dmitriĭ Dmitrievich, 1906-1975
• 4 Albéniz, Isaac, 1860-1909
• 4 Golschmann, Vladimir, 1893-1972
• 4 NBC Symphony Orchestra
• 4 Schumann, Robert, 1810-1856
• 4 Steinberg, William, 1899-1978

• 21 No linguistic content
• 12 Unknown
• 3 English
• 1 German

• 1 United States

• 1 Arrangements (Music)
• 1 Concertos
• 1 Excerpts
• 1 Interviews
• 1 Live sound recordings
• 1 Orchestral excerpts
• 1 Rhapsodies (Music)
• 1 Songs without words (Instrumental music)
• 1 Suites

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