Rock & Rule (known as Ring of Power outside North America) is a 1983 Canadian adult animated musical science fantasy film featuring the voices of Don Francks, Greg Salata and Susan Roman. It was produced and directed by Michael Hirsh, Patrick Loubert, and Clive A. Smith with John Halfpenny, Patrick Loubert, and Peter Sauder at the helm of its screenplay. Centering upon rock and roll music, Rock & Rule includes songs by Cheap Trick, Chris Stein and Debbie Harry of the pop group Blondie, Lou Reed, Iggy Pop, and Earth, Wind & Fire. The story takes place in a post-apocalyptic United States populated by mutant humanoid animals. The film was released on April 15 by United Artists, distributed by MGM/UA Entertainment Company and produced by Nelvana Limited. It grossed US$30,379 in the U.S. and Canada. Plot In the American release, an introduction states that a war had destroyed the human race, leading to the creation of mutant humanoid animals. Mok, an aging yet legendary rock musician, is on the search for a very special voice whose frequencies can unleash a powerful demon from another dimension, his dwindling popularity driving him to destroy the world in vengeance and immortalize himself in the process. After travelling around the world looking for the right voice, he returns to his hometown of Ohmtown, a remote, storm-ravaged village famous for its unique power plant. Meanwhile, at a nightclub, Omar, Angel, Dizzy and Stretch perform in a small rock band. As Angel performs her romantic ballad to a mostly empty audience, Mok hears her sing; he realizes that Angel has the voice he needs when a ring he is wearing reacts to her voice. Mok invites Angel and the band to his mansion outside of town, where the band is formally introduced to him and his assistants, the "Rollerskating Schlepper Brothers" Toad, Sleazy and Zip. Mok incapacitates Omar and Stretch with hypnotic "Edison Balls" as he takes Angel on a stroll through his garden and tries to convince her to join him. Although Angel is unaware of Mok's true intentions, she refuses to abandon her band. Unwilling to admit defeat, Mok kidnaps her and takes his blimp to Nuke York, where his summoning, disguised as a concert, will be performed. Following their ejection from Mok's mansion, the band find out what happened to Angel and they follow the blimp in a stolen police car. Before they