About the film
Soaring Highs and Brutal Lows: The Voices of Women in Metal is a 2015 Canadian documentary film, directed by Mark Harwood, that follows the personal journeys of women from different generations who are prominent vocalists inside the heavy metal music genre. It premiered theatrically in Eindhoven, Netherlands on October 15, 2015 and is distributed by the National Film Board of Canada.
From the film's Wikipedia article (CC BY-SA 4.0).