SOUND Resource Web Sites
(Collected from GameMaker Forum)
SEARCH ENGINES
http://www.findsounds.com/
http://www.findmidis.com/
http://www.musicrobot.com/
http://www.vanbasco.com/midisearch.html

MUSIC
http://remix.overclocked.org/index.php
http://www.ifni.com/
http://www.sunncity.com/music/
http://billbrownmusic.com/musicmain.htm
http://www.freeplaymusic.com/
http://www.angelfire.com/darkside/darknebula/main.html
http://www.mirsoft.info/gamemids-archive.php?selection=90
http://www.mididb.com/
http://www.gamingw.net/music/
http://www.vgmusic.com/
http://www.soundtempest.net/music.html
http://www.technomidi.com/
http://www.freewebs.com/yayah_1productions/sounds.htm
http://freshmidis.mirrorz.com/

SOUND EFFECTS
http://www.sounddogs.com/start.asp
http://www.flashkit.com/loops/
http://www.a1freesoundeffects.com/
http://www.bravenet.com/resources/audio/index.php
http://www.matt-home.freeserve.co.uk/sounds_main.htm