Rock'n Roll Wolf (1976)

Mrs. Rada the Goat tells her five children to behave while she goes to the fair, and under no circumstances open the door to anyone except her. But the Big Bad Wolf, Kostika (Titi) Suru, and his nephew, the Little Bad Wolf, along with friends Rassul the Lynx and Petrika the Donkey has made a plan to kidnap the children while their mother is away. And when the eldest child, Matei, decides to disobey his mother and visit the fair himself, things start to go badly for the goat-family.