Rasmus is an internationally acclaimed singer, conductor, composer and arranger. As a singer he’s been singing professionally in many groups, including the Swedish Radio Choir, Eric Ericson's Chamber Choir and of course, Ringmasters. In the summer of 2012 Ringmasters became International Quartet Champions,as the first non-American group in the history of the contest. Since then Ringmasters have been touring all over the world, and continue to make vocal art in various genres.