Hey this youtube playlist may have already been discovered but whatever im posting this anyway. These are all full versions of the songs on youtube.

Here is the link: SSBB Themes

Many people have been downloading the entire soundtrack from places, but I've just been listening to them off Youtube.

Here's another:

http://www.youtube.com/view_play_list?p=F5140DC900DD0BDB

Yeah I've downloaded all of Brawl's music except for maybe one song.