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Want to learn some theory that great guitarists like Joe Satriani and John Petrucci use? Check out the Pitch Axis Theory article!
"Pitch Axis Theory" is a compositional technique that Joe Satriani has used in a number of his songs, along with other guitarists such as John Petrucci, Steve Vai, Marty Friedman, Michael Angelo Batio and Guthrie Govan... (more)