The Library of Congress presents the National Jukebox, which makes historical sound recordings available to the public free of charge. The Jukebox includes recordings from the extraordinary collections of the Library of Congress National Audio-Visual Conservation Center and other contributing libraries and archives.
Search for records for music manuscripts, printed music, libretti, and treatises held in music libraries, archives, churches, and other institutions around the world. This is an open-access database.
200,000+ pieces of sheet music from the collections of 22 institutions. Sign up for a free account to make your own private or shared portfolios of sheet music from the site.