• 621 Music Library (Mills)

• 1,111 Sound Recordings
• 14 Music Scores
• 2 Videos, Slides, Films

• 332 Vinyl Records
• 156 Compact Discs
• 2 Cassette Tapes
• 2 DVDs

• 999 Jazz
• 86 Piano music (Jazz)
• 71 Popular music
• 68 Popular instrumental music
• 56 Saxophone music (Jazz)
• 45 Saxophone with jazz ensemble
• 33 Guitar music (Jazz)
• 31 Big band music
• 27 Piano with jazz ensemble
• 17 Waltzes
• 16 Country music
• 15 Polkas
• 14 Dance orchestra music
• 12 Free jazz
• 12 Live sound recordings
• 9 Bluegrass music
• 9 Blues (Music)
• 9 Guitar with jazz ensemble
• 9 Trumpet music (Jazz)
• 8 Dance music
• 8 Latin jazz
• 8 Rock music
• 8 Trumpet with jazz ensemble
• 7 Accordion music
• 7 Electronic music

• 60 Wisconsin Music Archives
• 45 Ford Porter Collection
• 37 Brown, Ray, 1926-2002
• 36 Pass, Joe, 1929-1994
• 35 Peterson, Oscar, 1925-2007
• 33 Carter, Ron, 1937-
• 33 Ørsted Pedersen, Niels Henning, 1946-2005
• 29 Mraz, George
• 26 Evans, Bill, 1929-1980
• 25 Curtiss Blake Collection
• 25 Pepper, Art, 1925-1982
• 23 Braxton, Anthony
• 23 Jackson, Milt
• 22 Jones, Elvin
• 20 Sims, Zoot
• 19 Jarrett, Keith
• 18 Gillespie, Dizzy, 1917-1993
• 18 Gordon, Dexter, 1923-1990
• 17 Basie, Count, 1904-1984
• 17 Davis, Richard, 1930-2023
• 17 James McKinty Collection
• 16 DeJohnette, Jack
• 16 Flanagan, Tommy
• 16 Gómez, Eddie
• 16 Haden, Charlie

• 1 English

• 34 United States
• 18 Wisconsin
• 10 Canada
• 10 Sweden
• 6 Poland
• 5 Germany
• 3 Brazil
• 3 Denmark
• 3 Netherlands
• 2 Australia
• 2 Latin America
• 2 Soviet Union
• 2 Switzerland
• 2 Texas
• 1 Argentina
• 1 Buenos Aires
• 1 Congo (Democratic Republic)
• 1 Cuba
• 1 Eau Claire
• 1 Egypt
• 1 France
• 1 Great Britain
• 1 Greece
• 1 Hawaii
• 1 Ireland

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