Calista is a character in Guitar Hero On Tour: Modern Hits "She's a really interesting character… kind of a "hard as nails" rocker that sports a serious attitude to her. She's in your face, thinks she's awesome, and she's like the best rockstar even though she's not, and she really made her way to fame through her attitude." She appears in Band Hero as a Secret character and can be unlocked by entering this cheat: Blue ,Yellow ,Green ,Yellow ,Red,Green ,Red ,Yellow.