Sound Cloud
Ektoplazm – free and legal pystrance, techno, and downtempo music
Bandcamp – music directly from artists
Archive.org – Live Music Archive. Listen and download thousands of hours of free music from over three thousand bands and artists.
Archive.org – Recorded Music.
UnsignedBandWeb.com – Unsigned and Emerging Bands and Artists
SoundClick.com – Unsigned and Emerging Bands and Artists
DJBooth.net – “New Hip Hop Songs – Downloads”
Jamendo.com – Creative Commons licensed music
CCMixter.com – Remixes, samples, and mash-ups licensed under Creative Commons
StereoKiller.com – Punk / Hardcore / Metal
Sterogum.com – Indie music for download and streaming
IndieRockCafe.com – “Best indie rock music, hot new songs, popular rock bands, top album releases, free MP3s”
Anti.Com – “Real artists creating great recordings on their own terms”
MP3.Com – Huge collection of free music for download and streaming
Spinner.com – Free music every day
iCompositions.com – Music created with Apple’s GarageBand
FreeMusicArchive.org – Free Music Archive from WFMU