A bit about why I use the CC licenses I do.

When I write music I release it under a Creative Commons license. I usually use a CC BY-SA license, known as Attribution-ShareAlike. This means people can use it, without first asking me, as long as they give me attribution and any derivative works they make are shared under a similar license. If I am using CC BY-SA then they are free to earn money for derivative works, but since they have to...