Audacity is free, open source software for recording and editing sounds. It is available for Mac OS X, Microsoft Windows, GNU/Linux, and other operating systems

Connexions is: a place to view and share educational material made of small knowledge chunks called modules that can be organized as courses, books, reports, etc. Anyone may view or contribute.

Historical music for educational use that our research indicates is copyright free. Also, links to Historical music for educational use that is freely available on the Web.

Musopen is an online music library of copyright free (public domain) music. We want to give the world access to music without the legal hassles so common today. There is a great deal of music that has expired copyrights, but almost no recordings of this m