The National Endowment for the Arts is a public agency dedicated to supporting excellence in the arts, both new and established; bringing the arts to all Americans; and providing leadership in arts education.
Social Science Research Network (SSRN) is a world wide collaborative of over 267,100 authors and more than 1.7 million users that is devoted to the rapid worldwide dissemination of social science research.
The Historic American Sheet Music Project provides access to digital images of 3042 pieces from the Rare Book, Manuscript, and Special Collections Library at Duke University, published in the United States between 1850 and 1920.
The Lester S. Levy Collection of Sheet Music consists of over 29,000 pieces of American popular music. The collection spans the years 1780 to 1980, but its strength is its throrough documentation of nineteenth-century American through popular music.
Musopen is a 501(c)(3) non-profit focused on increasing access to music by creating free resources and educational materials. We provide recordings, sheet music, and textbooks to the public for free, without copyright restrictions
Mutopia is a collection of 2001 pieces of music – free to download, modify, print, copy, distribute, perform, and record – all in the Public Domain or under Creative Commons licenses, in PDF, MIDI, and editable LilyPond file formats
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. Currently, the site provides access to 22 shet music collections and about 226,914 items.
The Belfer Cylinders Digital Connection provides online access to digital audio files of cylinders in the Belfer Audio Archive. Belfer's cylinder collection includes over 22,000 cylinders, 12,000 of which are unique titles.
Selections from the British Library’s extensive collections of unique sound recordings, which come from all over the world and cover the entire range of recorded sound: music, drama and literature, oral history, wildlife and environmental sounds.