Gratis sound samples
Download over 1000 music samples
http://www.bbc.co.uk/radio1/onemusic/sample/
Gamesounds
Gamesounds
http://gamesounds.holycrap.org/
Freesounds
Freesound: collaborative database of creative-commons licensed sound for musicians and sound lovers. have you freed your sound today?
http://freesound.iua.upf.edu/
Midi database
Free midi files free music downloads karaoke songs
http://www.mididb.com/
Midifiles
Midi files of classical music, jazz, and original compositions at midiworld.
http://www.midiworld.com/midifile.htm
Sound4games
Sound4games
http://www.sounds4games.com/
Partners in rhyme
Royalty free music to download for film, tv, video and websites, plus free sound effects, free music loops, free midi files and free audio software.
http://www.partnersinrhyme.com/
Videogame music archive
Video game midi music from nes, snes, n64, gamecube, gameboy, genesis, master system, sega dreamcast, sega saturn, sony playstation, x-box, atari, turbografx-16, and more!
http://www.vgmusic.com/