The Freesound Project is a collaborative database of Creative Commons licensed sounds.

This is a community music site featuring remixes licensed under Creative Commons, where you can listen to, sample, mash-up, or interact with music in whatever way you want.

Mp3realm is a search engine designed to search the web for audio in mp3 formats. It can search for title, album, artist, or genre. It also has an index of lyrics which allow you to sing along with the songs or look at the lyrics.

This site provides tutorials on how sound works and allows one to experiment with "strings" of different lengths and widths. these can be combined to create a song.

ccMixter is a community music site featuring remixes licensed under Creative Commons where you can listen to, sample, mash-up, or interact with music in whatever way you want.Remixers If you’re into sampling, remixing and mash-ups grab the sample packs