i've been pulling information from a bunch of sources and working with the snesmusic SPC set, trying to break down as much of the soundtrack as possible.
here's what i've got to start with.
http://snesmusic.jukor.net/viewtopic.php?f=29&t=487
all ye knowledgeable folk at vgmdb, have anything more to contribute? i'm sure there are things i've missed or maybe even got wrong. don't worry about signing up at snesmusic to reply if you don't want, but that's where i'll be putting any new info.