Jamendo : https://www.jamendo.com/en/welcome
Freesound : http://www.freesound.org/browse/tags/music/
ccMixter : http://ccmixter.org/
Kompoz : http://www.kompoz.com/music/home
SoundCloud : https://soundcloud.com/search/sounds?filter.license=to_share
BeatPick : http://www.beatpick.com/
Musopen : https://musopen.org/
Vimeo : http://vimeo.com/musicstore?license=cc
ArtistServer : http://artistserver.com/
iBeat : http://ibeat.org/
CCTrax : http://cctrax.com/
JewelBeat : http://www.jewelbeat.com/free/free-background-music.htm
Audionautix : http://audionautix.com/
FMA : http://freemusicarchive.org/
Purple Plane t : http://www.purple-planet.com/
Incompetech : http://incompetech.com/music/royalty-free/
Bump Foot : http://www.bumpfoot.net/
CASH Music : http://cashmusic.org/
Josh WoodWard : http://www.joshwoodward.com/#/
PacDV : http://www.pacdv.com/sounds/free-music.html
SampleSwap : http://sampleswap.org/mp3/creative-commons/free-music.php?show=all
DanoSongs : http://www.danosongs.com/
Public Domain 4U : http://publicdomain4u.com/
Orphan Songs : http://www.orphansongs.com/
Sonnyboo : http://sonnyboo.com/music/music.htm