Wielding naught but his signature Ernie Ball Music Man Majesty, Petrucci has been studying different types of scales and different types of chords – and he says having Portnoy back on the drum stool makes the prog-metal institution feel like they’re all 18 again Read More
“I used really weird things like the Tristan chord and the Prometheus chord to give some of the songs a mystical vibe”: With the return of Mike Portnoy, Dream Theater are fully reborn – and John Petrucci’s still not done exploring new guitar frontiers … from Guitarworld
