At age 14, THIS YOUNG MAN played guitar for the Royal Teens. At 21, he co-wrote “This Diamond Ring”, a #1 hit. He played organ with Bob Dylan at the Newport Folk Festival the same year (1965). He formed a new band in 1967, but left after one album; the other members wanted him to concentrate on playing keyboards and composing. They considered Alex Chilton, Stephen Stills and Laura Nyro as replacement vocalists for whom?
AL KOOPER [Blood, Sweat & Tears]