Listen to music, podcasts, radio, and ambient sounds.
Of or relating to the broadcasting or reproduction of sound.
Rainy Mood: Rain background sound and ambient music.
Wandering Ear: Audio of location sounds/background noise. Hard to explain, just check it out!
An art form, created by organizing of pitch, rhythm, and sounds made using musical instruments and sometimes singing.
Archive.org – Audio: Download or listen to free music and audio.
ccMixter: Find, change, download, creative commons music. This site is a great resource for anyone in the music industry.
Free Music Archive: Find free high quality music. Some songs are even in the creative commons.
FreePD: Public Domain Music.
Free Sound: Creative Commons music and audio. Items have varied licenses, but luckily they clearly list which one per item is under. Read and stay within the rights.
GrooveShark: Free online streaming music. Make playlists and enjoy you favorite songs from old and new artist.
IMSLP – Petrucci Music Library: International Music Score Library Project. Browse scores(sheet music) by composer, nationality, genre, time period, and even by melody(handy piano interface).
Incompetech: Royalty free music.
Jamendo Music: Creative commons music.
Joe Reynolds Audio: Creative Commons music.
Last.fm: Stream music and videos online. Large collection of old and new media.
MuseScore: This site offers scoring software and sheet music. The software is opensource/free(named MuseScore as well). This is a great tool for songwriters! The sheet music is uploaded by users, so much is copyrighted.
MusicBrainz: Open Music encyclopedia.
Music Moz: A directory of everything music.
MusOpen: Royalty Free Music and sheet music.
Reddit – Music Player: First you *redd* it all, now you can listen to it all.
Refrain: Database of thirteenth century songs and poetry.
RISM: Online catalog of musical sources.
Songsterr: Find and play tabs for guitar, bass, and drums.
Starfrosch: Top 100 Chart for Royalty free music.
Virtual Piano: Maybe if you get good enough, you can get a real one!
You Tab: A collection of music lyrics and guitar chords for every(probably) song you could think of.
AllMusic: Find information about bands and their music. Use your current favorites to find new ones.
American Musicological Society – DDM: Doctoral Dissertations in Musicology (DDM) is a database of bibliographic records for dissertations topics related to music.
Frets on Fire: Free music game. Try your hand(s) at virtual guitar and keyboard.
GNU FM: A music community platform in PHP.
G. Robert Vincent Voice Library: An audio collection, brought to you by Michigan State University, of voices. One of the galleries is US presidents!
International Association for the Study of Popular Music Journal: IASPM. Peer-reviewed and open access.
Mutopia Project: Over 2,000 pieces of sheet music that is free to download, modify, print, etc. All in the public domain or under the Creative Commons.
Project Gutenberg – Sheet Music: Public domain sheet music.
USGS Multimedia Gallery: All audio is in the public domain, unless otherwise stated.