AFI Docs always has a good selection of music docs. Here’s what to check out this year.

David Byrne Every long-lived pop musician who achieves success as a young artist eventually confronts the legacy problem: How much of your back catalogue do you take with you when you hit the road to promote your new music? David Byrne, who never actually spoke the name of the great little band he fronted back in the 1970s and ’80s during his gig at Wolf Trap Saturday night, has hit upon a more elegant…