Clippings, programs, artifacts, sheet music, photographs, and recordings of this Chicago composer, pianist, and music teacher. Collins, a pupil of Rudolph Ganz, was assistant conductor of the Bayreuth Festival in Germany, on the faculty at Chicago Musical College and later the American Conservatory of Music, and a prize-winning composer of symphonic works, piano concerti, chamber music, and songs. Recordings of his works and his performances are present in various formats.

Incoming correspondence to Frederick A. Stock, second conductor of the Chicago Symphony Orchestra. Also photographs of Stock rehearsing at Interlochen Music Camp, early 1940s.

Irwin Fischer (1903-1977), composer, professor, conductor, and musician. Enjoyed a long career teaching at the American Conservatory of Music in Chicago, Illinois. Also worked as an organist for the Chicago Symphonic Orchestra and various churches, a conductor for the National Youth Symphony, South Side Symphony, and West Suburban Symphony. Known primarily for scores such as the Hungarian Set (Pearly Bouquet) and Symphony I.

Correspondence, mainly incoming, of Theodore Thomas, the first conductor of the Chicago Symphony Orchestra, and his wife Rose Fay Thomas; photographs of musicians; and a small collection of miscellaneous material relating to the Thomases.