When Joni Mitchell released her “Ladies of the Canyon” album in 1970, it’s likely that only a handful of her fans realized she was singing about a real place. That would be Laurel Canyon, a surprisingly rustic landscape of eucalyptus trees and wooden houses in Los Angeles, not so far from the nightclubs and recording studios on and around the Sunset Strip.

It’s also the setting for a richly entertaining documentary,“Echo in the Canyon,”focusing on the brief moment when Laurel Canyon was one of the epicenters of popular music, and saluting its influence on some notable Southern California musicians of today — particularly Jakob Dylan of the Wallflowers, who serves as our guide on this journey.

This is not a comprehensive history of the Laurel Canyon scene of roughly 1965-67, and some commentators have already weighed in negatively. Major figures (including Mitchell) get short shrift or are barely mentioned, and some peripheral musicians are given serious camera time. But the film isn’t meant as a journalistic account. It’s a combination of archival footage with lots of recently recorded “back in the day” anecdotes and performances by younger admirers of the music such as Dylan, Cat Power, Regina Spektor, Beck and Fiona Apple.

We see very enjoyable footage of a 2015 concert in L.A. by some of these musicians, performing songs made popular by the original Laurel Canyon heroes — Buffalo Springfield, the Byrds, the Mamas and the Papas, etc. (The concert’s version of the Mamas and the Papas’ “Go Where You Wanna Go” is a particular standout.) Young Dylan and friends also spend some time sitting around and pondering the old scene, but, happily, not too much.

The film’s highlights are the interviews with participants and hangers-on from the glory days. An amiable David Crosby admits that he probably caused a lot of unnecessary grief by being a jerk. Michelle Phillips discusses the sexual openness of that pre-AIDS era, an anything-goes attitude that prompted her then-husband, John Phillips, to write “Go Where You Wanna Go.” Roger McGuinn recalls that audiences were underwhelmed with his folk version of the Beatles’ “I Want to Hold Your Hand.”

显然,让这部电影需要严肃的连接ions in the music business, provided by Dylan and the movie’s first-time director, Andrew Slater, whose resume includes stints as a manager and a record company executive.

Others memorable stories and opinions are provided by Ringo Starr, Jackson Browne, Tom Petty (in his last filmed interview) and Brian Wilson. You can quibble about the inclusion of Petty and Wilson, but it’s pretty compelling to hear the latter describe how the Beach Boys’ “Pet Sounds” was influenced by the Beatles and how that album in turn affected the making of “Sgt. Pepper’s Lonely Hearts Club Band.” (Wilson is also responsible for one of the movie’s most amusing moments, when Jakob Dylan is playing “I Just Wasn’t Made for These Times” and Wilson crisply informs him that he’s in the wrong key.)

Like his old man (sometimes), Jakob Dylan is terse, reserved, serious. While he asks good questions, it’s often hard to judge what he thinks about the responses. He clearly loves the music of that time and place, music that’s often called folk-rock, though that’s too narrow a pigeonhole.

But the term does indicate the undoubted influence of Jakob’s dad, who famously “went electric” in 1965, following the Byrds’ hit cover of his “Mr. Tambourine Man,” which — along with their version of Pete Seeger’s “Turn! Turn! Turn!” — arguably helped cement the whole Laurel Canyon scene.

If you don’t expect it to be something it isn’t, it’s hard to see how partisans of pop music could fail to enjoy “Echo in the Canyon.” For rock ’n’ rollers of all ages, it’s mandatory viewing.

M“Echo in the Canyon”:Documentary. With Jakob Dylan, Tom Petty, Stephen Stills, Ringo Starr, David Crosby, Roger McGuinn. Directed by Andrew Slater. PG-13. 82 minutes.Theaters and Showtimes

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