Doug Bradley played basketball with the Miracles, shared a joint with Grace Slick, and held Dionne Warwick’s hand when he told her Dr. Martin Luther King, Jr. had been assassinated. He watched his Doo-Wop singing brother and World War II veteran father battle over the birth of rock and roll, brought the music of Stax and Motown to a small college in the West Virginia hills, and soaked in the sounds of CCR, Janis Joplin, and Jimi Hendrix as an Army journalist in the “air-conditioned jungle...