You may have heard that the 3DS game Adventure Time: Hey Ice King! Why'd You Steal Our Garbage? is a lot of fun. The soundtrack is a lot of fun, too, and the game's publishers have posted the entire thing to Soundcloud.
You can check it out there, or listen right here:
The music was performed by a collection of musicians headed up by Jake "virt" Kaufman. There are some excellent lyrics to these songs, and some really nice musical stuff going on.