"A to Zeppelin : The story of Led Zeppelin" chronicles the colorful and controversial history of rock's heaviest band. Led Zeppelin: Jimmy Page, guitar; John Paul Jones, organ and bass guitar; Robert Plant, lead vocal and harmonica; John Bonham, percussion. Through candid interviews with long-time tour manager Richard Cole, members of the Yardbirds, Vanilla Fudge, Bad Company, The Ramones, Foreigner, record engineer Andy Johns, and ex-girlfriends Lori Mattix and Pamela Des Barres, the compelling saga of this enduring rock institution is explored.