Help getting Mario & Luigi Dream Team sprites?

[Fawfulthegreat64]

I have another Dream Team-related request, so rather than making a new topic I thought I'd post it here.
https://www.mediafire.com/?knyri7v1kat98vl
^That's (presumably) the sound data for the game. It's in arc format, but BrawlBox can't open it. If anyone can figure out how to get into that file, I would appreciate that as well. Thanks!