Joško is a classically trained violinist and a passionate drummer—a fusion of musical excellence and rhythmic energy. He graduated in violin from the Music Academy in Zagreb in 2023, in the class of Prof. Orest Shourgot.
He has won numerous awards in national and international competitions and has performed with the Karlovac Chamber Orchestra, Cantus Ensemble, Zagreb Philharmonic, and the European Youth Orchestra, including at the Venice Biennale.