Horn-player Marko Arh received his first musical knowledge in Krško and then continued on his musical path at the Maribor Conservatory for Music and Ballet. He currently studies with prof. Boštjan Lipovšek at the Academy of Music in Ljubljana. Arh also studied with many other renowned professors at international seminars, attended several national and international competitions and received numerous awards (at this year's state competition, the gold medal and the first prize).

He was a member of the international youth orchestra of the Young Artists Bayreuth. Marko Arh regularly performs with the SNG Maribor Symphony Orchestra, the Orchestra of the Ljubljana Music Academy and the RTV Slovenia Symphony Orchestra, as well as the Orchestra of the Opera and Ballet Ljubljana.