In no particular order: The Beatles, Led Zeppelin, The Rolling Stones, Pink Floyd, Jimi Hendrix, Muddy Waters, Bob Marley, Peter Tosh, Chris Whitley, Frank Zappa, Stevie Ray Vaughan, Allman Bros., P-Funk, BR5-49, Hank Williams, Hank III, Ryan Adams, Ray LaMontagne, Jack Johnson, Brian Wilson, Dr. John, Ben Harper, Screaming Cheetah Wheelies, Gov't Mule, Stevie Wonder, Martin Sexton, Jono Manson, Red Hot Chili Peppers, Chris Robinson, The Black Crowes, Miles Davis, The Grateful Dead, Etta James, Aretha Franklin, Janis Joplin, Joni Mitchell, Alison Krauss, Regina Spektor, Joan Osborne, Fiona Apple, Carole King, Taj Mahal, The Flying Burrito Brothers, Blues Traveler, Blind Melon, First House, Chris Barron, Yama Bandit, Elliott Smith, Soulive, Gabriel Gordon, Joey Degraw, Gavin Degraw, Warren Haynes, Van Morrison, Steely Dan, Jeff Beck, Jeff Lang, Mike Farris, Radiohead, Elton John, Janes Addiction, Audioslave, James Gang, Johnny Winter, Jayhawks, Derek Trucks, Keziah Jones, Johnny Cash, Santana, The Meters, Black Sabbath, Sly & The Family Stone, Wilco, Nada Surf, Amos Lee, Bob Dylan, BB King, Eric Clapton, Jeff Buckley, The Blues Brothers, Robert Johnson, Iz, Johnny Horton, Rev. Gary Davis, Les Paul, Chet Atkins, John Hartford, Aerosmith, Grant Green, Grant Green Jr., Jimmy Smith, Herbie Hancock, Ry Cooder, Gram Parsons, and the list goes on and on and on.......