Cee-Lo Green of Gnarles Barkely, Janelle Monae, Patrick Stump of Fall Out Boy, Brendon Urie (<3) of Panic at the Disco and Travis McCoy of Gym Class Heroes all perform in it.
One of the best, most uplifting songs ever written ever.
Incidentally, the commercial isn't aired on TV. But youtube'll do the trick.
Person 1 to Person 2: Aye yo, what are you listening to??
Climbing on top of public and/or private school roofs with buddies.
Usually different schools have different difficulty levels: level 1 schools having easy access to rooftops and level 69 schools being the hardest to escalate.
An example of a level 1 school would be queen of apostles school. an example of a level 69 school would be stanford.