Rock'n'Roll Wolf (Romanian: Mama, Mother, Russian: Мама, international title: Rock 'n Roll Wolf) is a musical film from 1976 and is a Romanian–Soviet–French co-production.The storyline is loosely based on the famous plot about the goat and her kids, published as "The Wolf and the Seven Young Kids" in Grimm's Fairy Tales and known to Romanian audience as Ion Creangă's "Capra cu trei iezi" ("The Goat and her Three Kids") and to Russian audience as a folk tale "Волк и семеро козлят" ("The Wolf and the Seven Kids"). In the movie the number of goat kids is five. The script was written by Vasilica Istrate and Yuri Entin, and Elisabeta Bostan directed.The movie was filmed simultaneously in three languages (Romanian, Russian and English). The cast was formed by dancers from Moscow Circus, Moscow Circus on Ice, and Bolshoi Ballet. In 1977, the movie won the Silver Cup at the Children's Film Festival in Venice.