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John Petrucci's Guitar Universe 4.0 | 4 Days & Nights of Shredding, Performing, Master Classes, and Jamming – On the Beach!
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John Petrucci: “When you solo, you're the vocalist in the band... In that way, I've always been influenced by guys like David Gilmour, Neal Schon and Gary Moore” | Guitar World
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The John Petrucci Guitar Method Series” Online Master Class from Guitar World – Ernie Ball Music Man
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John Petrucci's Guitar Universe 4.0 | 4 Days & Nights of Shredding, Performing, Master Classes, and Jamming – On the Beach!
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