National JukeboxThe National Jukebox freely provides access to recordings from the collections of the Library of Congress National Audio-Visual Conservation Center and other contributing libraries and archives.
Wikimedia CommonsFree access to images, sound, and video files in the public domain or with Creative Commons licenses.
British Library Archival Sound RecordingsOnline collections from one of the world's largest sound archives, including sounds from: music, drama and literature, oral history, wildlife and the environment.
International Music Score Library ProjectThe International Music Score Library provides access to all public domain music scores, as well as contemporary works that have been made available.
JamendoJamendo is a community of free, legal and unlimited music published under Creative Commons licenses.
Alan Lomax Sound RecordingsThe Sound Recordings catalog comprises over 17,400 digital audio files, from 1946 into the 1990s. Alan Lomax is most famous for his work in the penitentiaries, plantations, and lonely farms of the Mississippi Delta, where he made recordings traditional African American culture. He also made recordings in the remote communities of the Caribbean, Europe, and North Africa.
Free Music ArchiveThe Free Music Archive offers free downloads under Creative Commons and other licenses.