The Avett Brothers, Judd Apatow attend 'May It Last: A Portrait of The Avett Brothers' premiere (7 images)

Cast and crew of HBO's "May It Last: A Portrait of The Avett Brothers" walk the red carpet at the New York City premiere on Wednesday. The documentary follows the North Carolina band The Avett Brothers, as they create their 2016 hit album "True Sadness." Photos by Serena Xu-Ning /UPI

From left to right, Bob Crawford, Joe Kwon, Seth Avett, Judd Apatow, Michael Bonfiglio, Scott Avett, Tania Elizabeth and Mike Marsh arrive.

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From left to right, Judd Apatow, Sara Bernstein and Michael Bonfiglio arrive. Apatow and Bonfiglio directed the film.

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Scott Avett (L) and Seth Avett, of The Avett Brothers, and subjects in the documentary, arrive.

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Tania Elizabeth, fiddler for The Avett Brothers, is featured in the film.

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