The psychedelic 70s: A Box with Secret
George Dunning’s Yellow Submarine influenced the Eastern European animators throughout 1970s.
A Box with Secret (Шкатулка с секретом), 1976 by Valery Ugarov
An adaptation of the 19th-century tale about a boy who wanted to learn how the music box works. The rock opera style soundtrack is composed by Vladimir Martynov.