A-Rod (Alex Rodriguez), Kobe Bryant, Michael Phelps and Tony Hawk are the new faces of Guitar Hero.  They star in the brand new ad for Guitar Hero World Tour by Activision. This Risky Business inspired video shows A-Rod and Phelps rocking the guitars, Tony Hawk banging the drums (on skateboard), and Kobe behind the mic.

Guitar Hero: World Tour will be available starting this Sunday, October 26 and features redesigned guitar controllers, drum and cymbals kit, and a mic.