All files downloadable here (http://www.mediafire.com/?sharekey=df046b2d4b156ab319747bd91027d4dd387c0e279551c173)
Song list (links are to original songs):
Mega Man 2 - Wily Stage 1 (http://www.youtube.com/watch?v=OHczaI8t7-4)
MOTHER 3i - Oh, Buta Mask (http://www.youtube.com/watch?v=LjFFmBSEHig)
Pokemon Mystery Dungeon 2 - Primal Dialga Battle (http://www.youtube.com/watch?v=poiqPQpiTN0)
The Astro Chase (http://www.youtube.com/watch?v=4ZBgTNpkcfA)
Cave Story - On to Grasstown (http://www.youtube.com/watch?v=yLGqWkZkrus)
Mega Man Zero 2 - Departure (http://www.youtube.com/watch?v=OuWy6Dfpd9s)
Note that I haven't tested these in Brawl, as I don't have a NTSC Brawl (waiting on a PAL port of the codes) or the ability to burn discs, so there may be some volume issues. They sound fine when compared to other BRSTMs in WinAmp, however.