Track | License URL
----------------------------------------------
01 | http://creativecommons.org/licenses/by-sa/2.5/se/
02 | http://creativecommons.org/licenses/by-sa/2.5/se/
03 | http://creativecommons.org/licenses/by-sa/2.5/se/
04 | http://creativecommons.org/licenses/by-sa/2.5/se/
artwork | http://creativecommons.org/licenses/by-sa/2.5/se/