Opsound is a gift economy in action, an experiment in applying the model of free software to music. Musicians and sound artists are invited to add their work to the Opsound pool using a copyleft license developed by Creative Commons. Listeners are invited to download, share, remix, and reimagine.

Anyone is encouraged to contribute sound files to the Opsound's open sound pool.

All material for the sound pool will be released under a Creative Commons license (the "Attribution-ShareAlike license"), a copyleft license in the spirit of open source software license which allows for all kinds of copying, remixing, use, and reuse while retaining an attribution to the original artist. [more info]