The library’s collection is primarily made up of western European music, going back to ancient Greek music.

The collection also includes material on world music, jazz, ancient Greek art, theater, dance, literature, philosophy, and fine art.

The library's collection includes books, audio recordings, musical scores, microforms, journals, concert programs, CD-ROMs, and databases.

The Library's first Director was musicologist Dr. Christoph Stroux.

From 2005 to 2024, the Library's Director was musicologist Mrs. Stephanie Merakos.