Petty, Joan Baez, George Harrison, The Grateful Dead, Johnny Cash, Willie Nelson, Paul Simon, Eric Clapton, Patti Smith, Emmylou Harris, Bruce Springsteen, U2, The Rolling Stones, Joni Mitchell, Jack White, Merle Haggard, Jeff Lynne, Neil Young, Van Morrison, Ringo Starr and Stevie Nicks. Although his accomplishments as performer and recording artist have been central to his career, his songwriting is generally regarded as his greatest contribution.[7] Over many years, Dylan has been ...