I'm guessing that something is wrong with the two OGG files, but I have no idea what, since for me it works fine :/ I'll try to convert them to mp3 files later which should solve it. Also, does this ...
xi.regime.checkRegime(player, mob, 798, 1, xi.regime.type.GROUNDS) xi.regime.checkRegime(player, mob, 799, 2, xi.regime.type.GROUNDS) xi.regime.checkRegime(player ...