wikiloops public - license
in §6, par. 4.1.
All pieces of music that have been licensed under the public license may be
1. streamed to all visitors of wikiloops.com at no charge.
2. downloaded by registered users of wikiloops.com.
3. altered or mixed with additional sound and be published under this license, as long as all authors names are stated, wikiloops.com is mentioned and there is a reference to this license.
This license covers non-commercial and private use only. To apply for a license to use this piece of music in a commercial context, you may either make separate licensing agreements with all involved musicians / authors, or send your request to firstname.lastname@example.org for more info.
For the legal details of the license, please see the full license text, or check out the following knowledge base articles: