Supermassive Galaxy - Super Mario Galaxy 2

"Supermassive Galaxy - Super Mario Galaxy 2" is a high quality rip of "Supermassive Galaxy" from Super Mario Galaxy 2.

Joke
At 0:09, the melody changes to "Supermassive Black Hole" by Muse. At 0:41, the lyrics for "Supermassive Black Hole" come in.