theeboredone
Smash Legend
I don't think it's as detailed as Garage Band, but you can take a look at some custom creations. Here is a really good one.
http://www.aviary.com/artists/Jdogg247/creations/going_all_out
Edit: Gonna add that song to brawl lol. At least the first half.
http://www.aviary.com/artists/Jdogg247/creations/going_all_out
Edit: Gonna add that song to brawl lol. At least the first half.