Albert Collins, The Allman Brothers Band, Andres Segovia, The Animals, BB King, Bachman Turner Overdrive, The Beatles, Black Sabbath, Bob Dylan, Boston, Buddy Guy, Clifford Brown, Cream, Creedence Clearwater Revival, Deep Purple, the Doobie Brothers, the Doors, The Eagles, Electric Light Orchestra, Eric Clapton, Eric Johnson, Eric Sardinas, Five Man Electric Band, Frank Sinatra, Frank Zappa, Golden Earring, Gordon Lightfoot, the Greatful Dead, the Guess Who, Guns n' Roses, Harry Connick Jr., Jeff Beck, Jimi Hendrix, Joan Baez, Joe Satriani, Joe Walsh, John Denver, John Lennon, Johnny Winter, Led Zeppelin, Lynyrd Skynyrd, the Mamas & the Papas, Michael Chapdelaine, Morrissey, Paco de Lucia, Pink Floyd, Ray Charles, Red Hot Chile Peppers, Robert Cray, Robert Randolph, The Rolling Stones, Santana, Simon and Garfunkle, Stanley Jordan, Steve Vai, Stevie Ray Vaughan, Stu Hamm, Susan McDonald, Uli Jon Roth, Van Halen, Willie Nelson, Yngwie Malmsteen, ZZ Top
My library extends on considerably from this, but this stuff is my favorite.