Material from concert pianist and piano teacher Dean Sanders, who was a student of Rudolph Ganz at Chicago Musical College. Includes a photo of Rudolph Ganz, autographed to Sanders, correspondence from Esther Ganz and Dame Myra Hess, a compilation of Rudolph Ganz's compositions for piano, and annotated printed scores of pieces by J.S. Bach, Maurice Ravel, George Gershwin, and Burrill Phillips.

Clippings, correspondence, flyers, photographs, and programs of George Estevez, founder and director of the Choral Ensemble of Chicago. Originally called the Chicago Chamber Choir and founded at the Jane Addams Hull House Center, the choir later moved to St. Paul's United Church of Christ and remains a volunteer organization using professional musicians as needed. Material on Ruth Page, Mary Gehr, Rudolph Ganz, Claudia Cassidy, Richard Christiansen, and many others is present.

Irene Alexander’s subject files and records from her role as Special Supervisor for the Committee on Cultural and Economic Development of the City Council under Mayor Richard M. Daley.

Works, correspondence to and from prominent musical figures, family correspondence, clippings, photographs, programs, artifacts, and a couple of recordings of this world-renowned concert pianist, composer, conductor, and educator.