Two German trombonists, Matthias and Matthias Muche, extend the trombone language through four open improvisations using advanced techniques and bizarre language, each appropriately titled for phonemes, as the two players explore the strangest and most interesting sides of their instruments to the benefit of the intrepid listener.

Using extended techniques and a remarkable interactive approach, trombonist Matthias Mueller and soprano saxophonist Frank Paul Schubert surprise in 9 distinctive duo recordings.