"..Leave the amp as i set it! Thats my amp and Im setting it the way i wish it!…Thats the way Chuck Berry plays it, you understand?!" From the documentary "Hail! Hail! Rock n Roll!" by Taylor Hackford, courtesy of Image Entertainment. All copyrights belong to their respective owners. I took this clip from Gibsons website and put it on youtube. Its a great movie. So see it for yourself.. like now..