The International Music Score Library Project (IMSLP) is a wiki-based source for public domain music scores, recordings, and information about musical works. View and print PDFs of scores and parts, and trade composition ideas.
The Sheet Music Consortium is a group of libraries working toward the goal of building an open collection of digitized sheet music using the Open Archives Initiative Protocol for Metadata Harvesting. The Consortium's goal is to promote access to and use of online sheet music collections by scholars, students, and the general public.
This database offers complete digitized scores (issued by publishing houses or self-published) and streamed audio recordings of works by several hundred active composers to form the largest continually growing online music library of contemporary music. It also features a virtual music-score reader with a zoom and full-screen options plus biographies of the composers.
Print Books & Scores
All print books (including scores and sheet music) are on the 4th floor of the Knowledge Center. They are classified with the Library of Congress Classification System into 3 broad areas:
This streaming audio collection contains individual tracks of music, spoken word, and sounds from Smithsonian Folkways Recordings. It also includes readings of literary works, children's music, sound effects and more.