Another Petrucci Exercise - Wild Stringdom
John Petrucci - Rock Discipline
John Petrucci Psycho Exercises 1
John Petrucci - Exercise
John Petrucci Psycho Exercises 4
John Petrucci Psycho Exercises - The Secret Tape -Subs[ESP]
john petrucci psycho exercises 2
John Petrucci Psycho Exercises 3
John Petrucci - Another Day Solo (Dream Theater Praha 6.2.2017)
John Petrucci Psycho Exercises 2
John Petrucci Picking Exercise (guitar-lesson with tablature)
John Petrucci's Rock Discipline example 9 - 198 bpm
John Petrucci - Example 31
John Petrucci - Speed
John Petrucci Style - Quick Licks Performance With Andy James | Licklibrary
Very Effective Alternate Picking Exercises Guitar Lesson ala John Petrucci - Rock - Metal
Petrucci/Morse - Arpeggio Exercise ( with Tabs )
John Petrucci Psycho Exercises - The Secret Tape [NO SUBS]
John Petrucci - Fun with Metronome