Add furry_death sound by Nearbu.

Source: http://secretmaryo.org/phpBB3/viewtopic.php?f=11&t=4142#p26357
Add Beatiful World music by Naerbu.

Source: http://secretmaryo.org/phpBB3/viewtopic.php?f=11&t=4128#p26189
Add Snowy Mountain music by Naerbu.

Source: http://secretmaryo.org/phpBB3/viewtopic.php?f=11&t=4090#p25723
Add "Morning in a castle" music by Nearbu.

Source: http://secretmaryo.org/phpBB3/viewtopic.php?f=11&t=4094#p25747