The Author Popa Иван Георгиев Карачоров (Ivan Georgiev Karachorov) of the outstanding Bulgarian Chalga (Tigre Tigre) passed away in his 50s in Germany in official service to the Bulgarian Orthodox Church, God forgive his sins and give him rest. fr. Ivan was a scandalous in Bulgarian Orthodox Church but his strange behavior is probably a consequence of the tragic younghood he had (his mother died when he was 14 and his father was in jail).

The song he sang was
Here is a Church troparion sung by him – http://vbox7.com/play:786a7fde13