Search tip: Music only plays for users in the United States. Pandora is a music recommendation service which creates a personalized radio station. See also Search Help.
Last.fm
Search tip: Last.fm is a music recommendation service. See also Search Help.
UpTo11.net
Search tip: Type in a list of artists separated by semicolons (;) to get recommendations. Only previous are available. See also Search Help.
Audiobaba
Search tip: Search for an artist or track to get recommendations based on acoustic similarity. Only previous are available. See also Search Help.
SpinXPress
Search tip: This searches several sources including the Internet Archive, Magnatune, and others.
Dewey Music
Search tip: This is another interface for music in the Internet Archive
ccmixter
Search tip: Music here is available free to use for noncommercial and sometimes even commercial purposes.
Jamendo
Search tip: All music is licensed under a Creative Commons license.
Search tip: This library is part of the Cornell Lab of Ornithology (birds) but also includes media from many other groups of animals. See also Advanced Search and Search Help.
Internet Archive
Search tip: Includes LibriVox as well as some smaller collections.