"Udo Schindler is a German improvisation musicians (bass clarinet, contrabass clarinet, saxophone, flute, cornet, also accordion, guitar, percussion, analog synthesizer) and architect. Schindler was active in the 1970s in Franconia first as rock and rock jazz musician before he had flute lessons at the conservatory Nuremberg. Subsequently, he studied architecture at the Technical University of Munich and worked as an architect. In the 1990s he turned to contemporary music (Arch.Ensemble) and improvised music (Schindler.Interferenz.3). In addition to the single tube instruments (saxophones and clarinets), he studied the cornet. In addition to his sound research, he also worked as a director, performer, musician and composer for various theater productions. In the following years he performed with solo and duo projects at new music festivals (Musica Viva, Klangaktionen, etc ...), jazz, experimental music, among others. This led to collaborations with musicians like Hubert Bergmann, Gerry Hemingway, Eddie Prevost, Sebi Tramontana, Georg Wissel, John Russell, Blaise Siwula, Frank Gratkowski, Hans Koch, Urs Leimgruber, Elisabeth Harnik, Katharina Weber and Frank Paul Schubert. In addition to his activities in solid cast he initiated in Munich a series of concerts to free improvisation in ad hoc to test instrumentation."

"Sebastian Gramss (Cologne, Germany) is a German double bass virtuoso and composer of jazz and contemporary music. In 2013 and 2018 he received the ECHO Jazz award (national instrumentalist of the year).He studied double bass and composition at the Conservatorium van Amsterdam and at the Cologne University of Music.

Gramss released more than 25 CDs under his name. He's been an inspiring and innovative presence in the world of jazz with his band UNDERKARL for the past 25 years, and recently with his new trios SLOWFOX (with Hayden Chisholm & Philip Zoubek) and FOSSILE 3 (with Rudi Mahall & Etienne Nillesen).

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), several quartets 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.

He was the co-creator and the curator/ director of SAMUR (South Asian Music Residency) in India in 2016 and 2017.

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..."