I’m unsure of the provenance of this song or the score presented here. Zlatko, of Zlatko’s Balkan Cabaret fame, introduced the song to the Illawarra Union Singers. The song is apparently a congratulatory song, and can be translated as “Many Summers”, or “Many Years”.
The target voice instruments in each track for SATB are, respectively, flute, oboe, clarinet and baritone saxophone. The verse is repeated 4 times in each track.
And finally, a YouTube performance that pretty much approximates this score: