Bryn Galdur is a singing student in Söngskóli Sigurðar Demetz, where he has studied as a soprano for a few years but now as a baritone for one year following his voice changes. He has taken part of the school's performance of A Night in Venice and Susannah, where he sang the part of Elder McLean.
Bryn Galdur has taken part in many theatre shows with the amateur theatre group Óríon, that was active from 2012 to 2019, the latest being as an actor in The Wonderful World of Dissocia that was performed in the Kópavogur theater. Before that he has taken on the responsibility of stage managing, lighting technician, director and other things behind the theater curtains.