Scorsese tests us by opening the movie with a harsh version of “Like a Rolling Stone,” Dylan’s voice never sounding worse. Then it develops into one of the few good rock docs, by not singlemindedly focusing on a particular artist but bringing in his influences and surroundings, making an artistic portrait of an era. Great editing by his usual rock doc collaborator David Tedeschi, skips around in time and makes it work.

Animals *and* birds??

“You can’t be wise and in love at the same time.” For almost an hour he’s not even a folkie yet, so this is closest to the Velvet Underground doc that goes deep into their roots and skims their actual popular career. Then it ends before his ’66 motorcycle crash, only a year after Going Electric. Present-day Joan Baez steals yet another rock doc.