Along with this concept art, Activision has unveiled Calista Valenz: an all-new character that will debut in Guitar Hero On Tour: Modern Hits this summer (press 'read more' for details). Featuring a set list comprised of 28 master tracks from influential artists including Coldplay, Fall Out Boy, Tenacious D, The Strokes and Weezer, Guitar Hero On Tour: Modern Hits introduces an all-new Fan Request system that challenges players to jam like never before. Guitar Hero On Tour: Modern Hits is developed by Vicarious Visions.