Add music from the forums to SMC.

Sources:
* http://www.secretmaryo.org/phpBB3/viewtopic.php?f=11&t=4082#p25639
* http://www.secretmaryo.org/phpBB3/viewtopic.php?f=11&t=5298#p32080
* http://www.secretmaryo.org/phpBB3/viewtopic.php?f=11&t=4113#p25976