I won't take any merits for this, because it was solved by someone else than me. It is in GERMAN and that's why I had nearly any hope it would ever be solved on this page. It's
Zara-Thustra - Massa Massa (1983)
Admin note: I'm tired of moderating the continuous spam being posted here. Deleting 10-20 offensive, pornographic or otherwise unrelated comments every day is not what I am here for. Because you guys can't police yourselves and behave, for now I've disabled the commenting functionality altogether. We'll see if we can come up with a better system in future.