Bragi has been singing professionally since he was 11 years old. During the years 1989 to 1993, the Rokklingarnir albums were the best selling albums in Iceland and fetched the members (including Bragi) multiple gold and platinum albums.
After that, Bragi sang in a high school choir, took voice lessons, sang on 7 different occasions in the World Youth Choir and once in World Voices, sang freelance in well over 300 church ceremonies and services in Iceland, UK and USA, voiced over a Disney movie and published an album with his own vocal group, to name but a few items of interest. See some examples below.
Beauty and the Beast (2002)
Singer - Rokklingarnir (1989-1993)
Singer - Semele (North-American premiere in 2003, although it was composed in 1707)
Singer - Home recordings, mostly duets with Christine van Deventer
Singer - Smaladrengirnir, from 2001