Francesca EtheartBob Dylan and the Rolling Thunder Revue – in picturesverified_publisherThe Guardian - Guardian musicWhen Bob Dylan took his travelling caravan of musicians – among them Joan Baez, Roger McGuinn and Mick Ronson – out on the road in autumn 1975, the photographer Ken Regan was on hand to document it all. Now his revealing shots are published in Rolling Thunder: Photographs by Ken Regan