Complex sentence: Upon finishing musical high school, he started studying journalism at the Sarajevo university, where he met future fellow musician Branko Đurić, but has stopped the studies to start playing his first band "Ozbiljno pitanje" ("Serious Question").
Split into simpler sentences: Upon finishing musical high school, he started studying journalism at the University of Sarajevo, where he met future fellow musician Branko Đurić. Soon, Zijo left the studies to start playing his first band "Ozbiljno pitanje" ("Serious Question").