By Matt Friedlander
By Chris Piner
By Jacob Uitti
By Em Casalena
By Jim Beviglia
By Jay McDowell
By Thom Donovan
Jake Shimabukuro and Mick Fleetwood, composite photo (Photos by Sienna Morales and Daniel Sullivan)
John Mayall
Robert Johnson (image via YouTube).
Photo courtesy of Robin Trower's official Facebook page
