Bobby WhitlockBobby Whitlock on his Derek And The Dominos days, the "Layla" love triangle, and working with Phil Spector. Bill WithersSoul music legend Bill Withers on how life experience and the company you keep leads to classic songs like "Lean On Me." DevoDevo founders Mark Mothersbaugh and Jerry Casale take us into their world of subversive performance art. They may be right about the De-Evoloution thing. Mike CampbellMike is lead guitarist with Tom Petty & the Heartbreakers, and co-writer of classic songs like "Boys Of Summer," "Refugee" and "The Heart Of The Matter." Janis IanOne of the first successful female singer-songwriters, Janis had her first hit in 1967 at age 15.