Sundance Film Festival music documentaries: “Sound City,” “Pussy Riot” and more

“Twenty Feet from Stardom”

The Weinstein Company moved fast on the seldom-told story of back-up singers, making it the first film to sell at this year’s festival. Grammy-award nominated director Morgan Neville takes the lens past the main microphone and focuses on a group of female vocalists who supported the likes of Sting, Bruce Springsteen, Joe Cocker, Mick Jagger, Elton John and Stevie Wonder. Rumor has it the documentary will make it to screens this summer.

“History of the Eagles, Part One and Part Two”

This two-part rockumentary uses rare archival material, concert footage and unseen home movies to share to story of the notoriously private band. Award-winning director Alison Ellwood captures intimate and unexpected moments without skipping a beat or greatest hit. “History of the Eagles, Part One” and “Part Two” premieres on Showtime on Feb. 15 and 16 (8 p.m. EST) and will be released on DVD as early as mid-March.

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Katie Shapiro is a freelance writer in Denver, Aspen and beyond. Follow her on Twitter @kshapiromedia