The Joy of the Guitar Riff
Plot: Traces the history and mechanics of the guitar riff over 60 years from the 1950s, from Chuck Berry through Hank Marvin, Black Sabbath and others to the White Stripes. Featuring interviews with some of the core arbiters of change and new techniques

Chuck Berry
Ritchie Blackmore
Lita Ford
Robert Fripp
Tony Iommi
Dave Davies
Kelley Deal
Joan Jett
Lauren Laverne
Steve Lukather
Hank Marvin
Brian May
Link Wray
Johnny Marr