John Peter Petrucci (born July 12, 1967) is an American 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, Scenes from a Memory. He is also a backing vocalist for Dream Theater.Petrucci was named as the third player on the G3 tour six times, more than any other invited guitarist. In 2009 he was named the No. 2 best me