When was rock 'n' roll born? Could it have been in May 21, 1955, when Chuck Berry recorded "Maybellene"? This episode from the "Impact: Songs That Changed the World" series explores the influential song's creation, examining its Western swing origins and how Berry's electric guitar modifications transformed musical tastes for generations to come. Includes interviews Ron Wood, B.B. King, Bob Weir. 36 min. Standard; Soundtrack: English.