DESC: Expand the Band - Add a drummer to your band with the Rock Band Drum Kit for the ultimate Rock Band World Tour experience. -Master the Drums - Sharpen your skills through the single player mode from easy to expert - all while earning cash to fund your Rock and Roll lifestyle. -Epic Drum Battles - Hook two Rock Band Drum Kits up to one system for some fierce competitive drumming action, in modes such as Score Duel where you battle for the highest score, or the challenging Tug-of-War mode, where performa is key.