Rock & Rule (known as Ring of Power outside North America) is a 1983 Canadian animated musical science fiction fantasy film from the animated film company Nelvana. It was the animated studio's first ever feature film. Rock & Rule 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. The film also features the voices of Don Francks, Greg Salata, and Susan Roman.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. Though initially unsuccessful at the box office, the movie has gone on to become a cult classic. Overview Rock & Rule was a heavily derived spinoff of Nelvana's earlier TV special from 1978, The Devil and Daniel Mouse. Its distributor, MGM, acquired United Artists at the time and the new management team had no interest...