Watch it all or none.
Actually watch at about 4:00 and you should be hooked.
BTW, Chuck Berry IS the REAL inventor of RockNRoll.
Do some research.
Marvin Berry: [on the phone, as Marty plays "Johnny B. Goode"] Chuck! Chuck, it's Marvin. Your cousin, Marvin Berry. You know that new sound you're looking for? Well, listen to this!
~archi