commercial with girl singing&playing piano in guys living room help!

Hey i just wanted to know if anyone knows what song is in the commerical unfortunatly i dont remember what the name of it is for its for some music program you can get and the guy is getting ready and in his living room a girl is playing piano and singing and then he changes the station on the tv and a rap group appears and they are rapping. I just wanted to know if anyone knew the rap song artist and song name?
thanks for any help!

Sara Bareilles - Love Song