The Italian singer and song-writer Franco Battiato in 1980 participated in a Bulgarian festival in Burgas, on the Black Sea. When he returned to Italy he remembered a melody of a song from Bulgary (maybe performed in this festival) but he not succeeded in identifying it. He used the melody in "Bulgarian song", with text in Sicilian dialect performed only in 1980 tour and not published in records:

The melody was used also in 1981 in the song "Il sole di Austerlitz" recorded in the 1981 album "Energie" by Giuni Russo.

Can anyone identify the original Bulgarian song with this melody?