Aus der FAQ eines Komponisten dessen Musik man für Videos etc. frei nutzen kann:
How do I place a credit for this music in my project?
The quick way looks like this:
Title Kevin MacLeod (incompetech.com)
If you'd like to include the full license for legal reasons, you can do the following:
Title Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0
http://creativecommons.org/licenses/by/3.0/
Wann muss man Version 2 nehmen?