John Petrucci talks about PARADIGM Strings - YouTube
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John Petrucci Explains Why He Didn't Want to Use 8-String Like Other Guitarists, Remembers the One Time He Made Music for Video Game | Music News @ Ultimate-Guitar.Com
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The John Petrucci Guitar Method - Episode 6: Scales on 1 String, 2 Strings, Playing in 3 Octaves - YouTube
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John Petrucci quote: Real thick strings - your hands start to get fatigued...
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DREAM THEATER Guitarist JOHN PETRUCCI Demonstrates Open String Techniques (Video) - BraveWords
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Megadeth Guitarist Explains Why He's Not Really Into 7-Strings, Says He Likes John Petrucci More Than Buckethead | Music News @ Ultimate-Guitar.Com
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Guitar String Jewelry from John Petrucci of Dream Theater - Wear Your Music
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John Petrucci discusses using an 8-string for the first time ever on Dream Theater's upcoming album | Guitar World
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Dream Theater - John Petrucci's Guitar Gear Rig and Equipment
John Petrucci | DiMarzio
