Note: When searching for an individual recording of a musical work, a search in the Vassar College Libraries' Catalog can be a good place to begin. Depending on the "content type" you select, "audio recordings", "streaming audio", and/or "video recording", results from many of the databases listed below will display.
Boston Public Library 78 collection (Internet Archive)
The Boston Public Library (BPL) sound collection includes hundreds of thousands of audio recordings in a variety of historical formats, including wax cylinders, 78 rpms, and LPs. The recordings span many genres, including classical, pop, rock, jazz, and more.