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.
| Actor | Role |
|---|---|
 Chuck BerrySelf (archive footage) | Self (archive footage) |
 Ritchie BlackmoreSelf (archive footage) | Self (archive footage) |
 Lita FordSelf | Self |
 Robert FrippSelf | Self |
 Tony IommiSelf | Self |
 Dave DaviesSelf | Self |
| KKelley DealSelf | Self |
| RRyan JarmanSelf | Self |
 Joan JettSelf | Self |
 Lauren LaverneSelf - Narrator (voice) | Self - Narrator (voice) |
 Steve LukatherSelf | Self |
 Hank MarvinSelf | Self |
 Brian MaySelf | Self |
| KKevin ShieldsSelf | Self |
 Link WraySelf (archive footage) | Self (archive footage) |
 Johnny MarrSelf | Self |