"and the really strange thing is: joan baez sang this in the late 60s. the rules for the Grand Prix Eurovision de la Chanson explicitly ban songs, that were published prior the contest, so how could Marie Myrian win with this melody in 1977 and get away with this?"
"Btw, Google updated cache at the end of the summer. And many WZS-results for old queries disappeared. (I hope it's temporary)
However, Yandex is eloquent, as before: