On the Trail of the Bremen Town Musicians

On the Trail of the Bremen Town Musicians (Russian: По следам бременских музыкантов, romanized: Po sledam bremenskikh muzykantov) is a 1973 Soviet animated short film directed by Vasily Livanov. It was made as a sequel to The Bremen Town Musicians. Zherzdeva & Gorokhov, who voiced the princess & the donkey in the first film were the only ones to reprise their roles. The King, wanting for his daughter to be found and returned to his castle, hires Detective to carry out the task. He successfully kidnaps and returns Princess back to the kingdom, but Troubadour and his animal friends Bremen Town Musicians hurry to release her. Disguised as foreign rock singers, the group distracts the King and the Detective, while Troubadour rescues his love and together they escape once again.

Synopsis: Wikipedia, CC BY-SA 4.0