«Κλάψτε ουρανοί κι αστέρια» means “cry heavens and stars”
The song is from 1968. Singer is Grigoris Mpithikotsis and the music from Stavros Xarchakos.
In the video are scenes from a Greek movie from 1969. The protagonist (Nikos Kourkoulos) burns his own property. The song in the film is an other: It’s raining fire on my way («βρέχει φωτιά στη στράτα μου»)