Sebastian Gramss is a German double bass virtuoso and composer of jazz and contemporary music. In 2013 and 2018 he received the ECHO Jazz award. Gramss released more than 30 CDs under his name. He’s been an inspiring and innovative presence in the world of jazz with his band UNDERKARL for almost 30 years, and recently with his trios SLOWFOX (with Hayden Chisholm & Philip Zoubek) and FOSSILE 3 (with Rudi Mahall & Etienne Nillesen), and STATES OF PLAY ensemble. His bass activities include his solo works (Atopie), a long term bass duo series (started with Stefano Scodanibbio in 2008, and continued with Barre Phillips, Tetsu Saitoh, Mark Dresser, Barry Guy, William Parker and Joëlle Lénadre in over 50 concerts + recordings), quartet BASZ and the international double bass orchestra BASSMASSE with 13 (and up to 50) bass players. Gramss has composed for radio drama, movies and theatre and – among others – for choreographer Pina Bausch, and recently with/for the Ensemble Modern. He teaches at the Cologne University of Music and University of Osnabrück, and gives master classes around the world. Extensive touring with his music has led him to venues and festivals all over the world, including Japan, India, Latin America, Russia, USA, Africa, and Australia. International cooperations: Marilyn Crispell, Fred Frith, Sidsel Endresen, A. v. Schlippenbach, Tom Cora, Ensemble Modern, N. Wogram, E. Sharp, P. Kowald, Z. Parkins, Brötzmann, J. Tilbury, Conny Bauer…