If there's one band whose name conjures up images of pure, passionate, power-packed rock and roll, it's Petra. They've whisked listeners away on a wild ride since the heartbeat of the band began years ago. And more than 7 million records sold, four Grammy Awards, ten Dove Awards and an induction into the Gospel Music Hall of Fame certainly solidifies the fact that Petra was no one-trick pony. And that momentum never stopped as the group helped define the rock genre for a whole generation of music lovers, perhaps more so than any other Christian rock act that has followed in its historic path.

"The key thing for us has been to know what our calling is," says Bob Hartman, Petra's founder, guitarist and primary songwriter. "Going all the way back to the beginning, that's how we learned who we were