Since studying at University, Stefan focuses much on early music. He plays regularly with the baroque orchestra Concerto Stella Matutina with whom he recorded the CD Trombett- andt musical Taffeldienst„.
Since 2015 he plays with the Baroque Orchestra I Barocchistiunder Diego Fasolis.
In 2010 he founded the baroque ensemble Musica Antiqua Salzburg to have a steady ensemble on period instruments. With this ensemble, he realizes solo and chamber music projects, as well as orchestral programs as Masses and Oratorios.