John Petrucci gives you some solid advice about getting out of a writing funk, and tells us what he thinks about John Myungs fingers. Watch more in our .brWe take a ride with the legend himself, John Petrucci of Dream Theater, to talk guitar, music, and enjoy a little Disney magic.brJohn Petrucci thinks being called God is hysterical. Watch more in our Rockstars In Cars (visiting Cosmo Music) web series featuring John Petrucci here: .brWhen Dream Theater visited Trondheim, Norway, we got to sit down with two of the founders of the band, John Petrucci and John Myung. This was quite a .