John Peter Petrucci (born July 12, 1967) is an American virtuoso guitarist and songwriter best known as a founding member of the progressive metal band Dream Theater. Along with his former bandmate Mike Portnoy, he has produced all Dream Theater albums since their 1999 release, Metropolis Pt. 2: Scenes from a Memory. He is also a backing vocalist for Dream Theater. Petrucci was named as the...