Ad Biz | Awards | Brands Clever Grammy Cross-Promo? B.O.B. Performs ‘Airplanes’ During Delta Flight By Michael Musco on Feb. 7, 2011 - 12:30 PM Rapper Bobby Ray Simmons, otherwise known as B.O.B, surprised fans by singing his Grammy-nominated single “Airplanes” over the loudspeaker on a recent Delta flight to LAX. Most would say that’s really cool of him ...