Maybe the Soviets supported the making of the film. Was it communist-friendly? Judging by the name i dont think so, but tell me if it was communist-friendly. That could explain the dubbing.

Btw, lyrics were available and it was supposed to be sung by a school class if i read that correctly. This helped children learn german?

https://www.google.de/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&cad=rja&uact=8&ved=- 0ahUKEwiai8u60bzNAhXnYpoKHfSZCHQQFggpMAI&url=http%3A%2F%2Fwww.songsforteaching.c- om2FLingoTech1Lyrics.doc&usg=AFQjCNE979tYeadVeTrAaAJyvMzYrQeK3g&sig2=7sNJGPotIkH- NRRjrhE4l0A