I've gotten the conversion for BRSTM->IDSP figured out, and I'll add support on Brawl Custom Music hopefully by Sunday. I just need to rebuild the nus3banks. Would anyone be interested in testing out custom music for the 3DS version? It's also in preparation for the Wii U version.
Current Smash Bros. Update Version: 10.12.0
Current Smash Bros. Update Version: 10.12.0