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Opsound does not host works, leaving that to others such as the Internet Archive's Netlabel collection.

Metadata includes descriptions of songs and artists, track numbers, and indexed keywords associated with songs.

All songs are available under the Creative Commons Attribution-ShareAlike license ( typically version 2. 5, but sometimes only older versions of the license ).

Some songs are licensed under the more liberal Attribution license.

Popularity charts were added around the end of 2003 and the beginning of 2004.

A redesign of the site was implemented towards the end of 2005.

Popular artists include _aa_, Binary Beats, and the Evolution Control Committee.

There are plans to add software for so-called " microlabels " to allow people to create their own albums from the sound pool.