Alto saxophone, bass clarinets, composition
As a performing musician, his focus lies mainly on improvised music and contemporary jazz, enriched by his studies of contemporary composed music, live-electronics and techniques derived from African, Eastern European and Asian music. Artistic director of the Spinifex ensemble, and co-leads the groups Dalgoo (with Meinrad Kneer, Lothar Ohlmeier and Christian Marien), Almeida/Duynhoven/Klein, Bugpowder (with Tristan Renfrow and Jasper Stadhouders), 37Fern (with Claron McFadden, Kristina Fuchs and Oguz Büyükberber) and the duo Oguz Büyükberber/Tobias Klein.
Tobias composes for both contemporary jazz groups and for chamber music ensembles.