John Petrucci Master Class - Tone Demonstration
John Petrucci - Rock Discipline
JOHN PETRUCCI 1999 Ibanez Clinic
How John Petrucci learns new songs
Trivium Meets Dream Theater - a guitar masterclass, part 1
John Petrucci, Tosin Abasi, and Devin Townsend break down their INSANE Techniques
John Petrucci - The Ultimate Master Class - Part I
Ernie Ball Music Man Presents: John Petrucci Master Class - Right Hand Warm Up and Picking
The John Petrucci Guitar Method - Episode 5: 4 Different Ways to Navigate a Scale Position
John Petrucci Master Class Workshop IG&T
John Petrucci Guitar Lesson — 5 Guitar Tips
Trivium Meets Dream Theater - a guitar masterclass, part 2
JOHN PETRUCCI EXCLUSIVE 1-2-1 GUITAR MASTERCLASS
John Petrucci - Guitar Center - Dance Of Eternity - Q&A
John Petrucci Psycho Exercises - The Secret Tape [NO SUBS]
Ernie Ball Music Man Presents: John Petrucci Master Class - Four Things You Need to Know
Trivium Meets Dream Theater - a guitar masterclass, part 3
John Petrucci's Guitar Universe :: Instructor Jam
John Petrucci Rock Discipline Rig Rundown | Remastered
Ernie Ball Music Man Presents: John Petrucci Master Class - Adding Notes