All his film can do to make its case for Sosa's significance is trot out subjects who compare her to Joan Baez, Ella Fitzgerald, and, most puzzlingly, "Mick Jagger and Paul McCartney in one," without elaboration.
What are people saying?
What are critics saying?
The Hollywood Reporter by Frank Scheck
Rodrigo H. Vila’s documentary about the famed Argentine singer and political activist suffers from its overly insular and hagiographic perspective, but in its best moments it well illustrates the reasons for her musical influence and social importance.
The pic nicely straddles a line between Sosa’s private and public personas, never quite delving deep although Vila covers all the bases.
The Dissolve by Noah Berlatsky
Though it’s tempting to resent every moment not given over to her singing, the documentary succeeds in conveying not just the bare facts of her life, but something of her magic, both to longtime fans and to those less familiar with her work.
The New York Times by Stephen Holden
Despite the glorious singing heard in archival footage from various periods of her career, the film is frustratingly sketchy.