- Ivan Čavlović
(b Zvornik, Dec 17, 1906; d Sarajevo, 1990). Bosnian-Herzegovinian composer, conductor, and concert singer. He started his musical career as a choirboy in the choir Sveta Cecilija at Sarajevo Cathedral. He studied solo-singing in the class of Nina Mastergazi and Leo Pešek at the Music School in Sarajevo. In ...