The John Petrucci Guitar Method-Episode 4:The Petrucci Sound - 3-String Extended Power Chords
16:20
The John Petrucci Guitar Method - Episode 3: Power Chords
16:48
The John Petrucci Guitar Method - Episode 5: 4 Different Ways to Navigate a Scale Position
11:29
Je m'entraîne 7 JOURS comme JOHN PETRUCCI
13:11
John Petrucci Master Class - Tone Demonstration
15:41
John Petrucci Guitar Lesson — 5 Guitar Tips
11:44
The John Petrucci Guitar Method - Episode 6: Scales on 1 String, 2 Strings, Playing in 3 Octaves
5:21
Dream Theater's John Petrucci: How We Wrote 'Metropolis - Part I'
9:38