Oh, I found this song today, and I really love it. It's a rap. One version is B.o.B (lol) with Hayley Williams singing the chorus, the other has Eminem in it as well. I love both.

YouTube - B.o.B - Airplanes Feat. Hayley Williams of Paramore [OFFICIAL AUDIO]
YouTube - B.o.B ft. Eminem & Hayley Williams - Airplanes Part 2 (With Lyrics).mp4 <--- The one with Eminem.