Twenty Feet from Stardom (2013)

20 Feet from Stardom is a 2013 American documentary film directed by documentary filmmaker Morgan Neville.

The film follows the behind-the-scenes of backup singers and stars Darlene Love, Judith Hill, Merry Clayton, Lisa Fischer, Táta Vega, and Jo Lawry, among many others. On March 2, 2014, it won the Academy Award for Best Documentary Feature at the 86th Academy Awards.

http://www.imdb.com/title/tt2396566/