sentences:  However, since the drum skin is not electronic but a rubber cover switch that duplicates certain buttons on the DS Lite, a player can simply press the buttons in time to play the drums.The game includes four-player local wireless play in a similar manner as "Guitar Hero 5" allowing any combination of instruments to be used.The game has a set of 30 songs; some are from "Band Hero" and others are from several "Guitar Hero" games' set lists.