Rock & Rule

Rock amp Rule known as Ring of Power outside of North America is a 1983 Canadian animated musical science fiction fantasy film from the animation studio Nelvana. It was produced and directed by the companys founders, Michael Hirsh, Patrick Loubert, and Clive A. Smith. The film features the voices of Don Francks, Greg Salata, and Susan Roman. It was the studios first feature film and the first English language one produced entirely within Canada.

Mok, an aging yet legendary rock musician, is on the search for a very special voice that can unleash a powerful demon from another dimension to fulfill his wish of being immortalized as a musicianMagic Man. After traveling around the world looking for the right voice, he returns to his hometown of Ohmtown, a remote, stormravaged 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 a gentle love ballad to a mostly empty audience, Mok hears her sing and his special ring goes off, and he realizes that hers is the voice he needs. He invites Angel and the band to his mansion outside of town. Mok loses his temper for Omar and hypnotizes him and the other band members, Dizzy and Stretch, with Edison Balls a modern drug. Mok then takes Angel on a stroll through his garden and tries to convince her to join him. Initially unaware of Moks 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. ........

Source: Wikipedia