Audio Archive – free downloadable music and other audio files
BBC Sound Effects – over 33,000 clips available for personal, educational or research use
Bensound – download royalty-free music to use in projects
CCMixter – free music for a variety of uses
Free MIDI File Database – Midi format, instrumental music, both amateur free download and professional versions that are not free.
FreePD – a variety of no-attribution, copyright-free music clips
ibeat.org – Free Music Samples, Instrumental Beats, Wave and Mp3 Files
Jamendo – many, although not all, of the selections on Jamendo are licensed for re-use.
Musopen – royalty free recordings of the music of hundreds of composers
Orange Free Sounds – free sound effects, music, loops, beats, ringtones
SoundBible – contains thousands of sound effects and sound clips
SoundCli.ps – over 10,000 free sound effects and clips
SoundGator – free sound effects
YouTube Audio Library – a nice collection of free music that can be downloaded for student projects
ZapSplat – over 22,000 sound effect and music files, free for non-commercial ust