The Judith Rosen Collection consists of unpublished recordings of performances, lectures, and radio programs concerning classical music, focusing on twentieth century composition, as well as women musicians and composers.
Papers and recordings from American conductor and composer Gerhard Samuel (1924-2008), particularly from his years conducting the Oakland Symphony, Minneapolis Symphony, and University of Cincinnati Philharmonia Orchestra.
Bob Arnold was a popular music historian and collector in Albany, California. His collection consists of his research and correspondence, and includes scrapbooks, program notes, interviews on cassette, and compilations on open reel tape drawn from his music collection. Perhaps his most successful project was about a 1930s jazz singer named Midge Williams.
Tape recordings of the Happy Jazz Band and the Jim Cullum Jazz Band covering over 30 years of the band's performances. The collection also contains performances by other noteworthy performers including Jack Teagarden and Bobby Hackett.
The James Schwabacher Collection consists of sound recordings, correspondence, scores, scrapbooks, clippings, programs, teaching material and other papers from San Francisco philanthropist and lyric tenor James Schwabacher.