Over the past 30 years, Dream Theater have repeatedly reached for the cosmos with the attitude that if they can’t touch stars, at least they can stretch their musical and conceptual abilities and create some pretty mind-bending music. “The thing about Dream Theater is we’ve never had real mass commercial success, so from the beginning we relied on doing creatively what came naturally to us and what was in our hearts and minds,” says guitarist and main songwriter John Petrucci. Right now, Dream Theater are in the middle of a European tour for their most ambitious release to date, The Astonishing, a two-hour-plus, double-disc rock opera.