Click here to visit our new site --> CafeDVD 2.0 (1988) Rating: Starring: Joan Baez, Mercedes Sosa, Konstantin Wecker, Wolfgang Dauner, Charlie Mariano, Colin Hodgkinson Director: Category: Music & Musicals , World Music , World Fusion Studio: Subtitles: Length: 58     Three Worlds, Three Voices, One Vision (1988) is a documentary film that brings together three influential heavy metal bands—Queen, Iron Maiden, and Black Sabbath. It explores their distinct sonic landscapes and the impact they have had on the music industry.