Benjamin Grobani was a talented musician, teacher, and composer who was influential in the Baltimore Jewish community. The Grobani papers include a large collection of Jewish sacred music scores, personal papers, and concert programs.

Elsa Baklor was a coloratura soprano and music educator who taught at the Peabody Conservatory and privately in the mid-twentieth century. Her collection of five scrapbooks contain clippings, photographs, and concert programs related to her career as a performer and teacher.

Enrico Caruso (1873-1921) was one of the most popular operatic tenors of his era. After beginning his career in his native Italy, Caruso immigrated to the United States and became a star at the Metropolitan Opera. His papers include manuscript and published scores belonging to Caruso, photographs, correspondence, scrapbooks and clippings about his career, caricatures and other artwork, recordings, and ephemera.

John Charles Thomas was an internationally known baritone who attended Peabody Institute from 1909 to 1912. His papers include scores, personal and business papers, concert programs, clippings, correspondence, ephemera, photographs, and recordings.