"Achim Kaufmann was born into a musical family in Aachen, Germany, in 1962, and became fascinated by jazz and the possibilities of improvisation as a teenager. He started writing tunes around that time. Later he studied music at the Conservatory in Cologne and also took classes with creative masters such as Dave Holland, Steve Coleman, Muhal Richard Abrams, George Lewis, and Steve Lacy.

From 1996 to 2009, he lived in Amsterdam where he became part of that city's internationally renowned improvised music scene.Since 2002, he has been touring internationally with the trio Kaufmann/Gratkowski/de Joode, an improvising unit which has released four CDs so far, to much critical acclaim.

In the late '90s and '00s, Achim led two groups with reed player Michael Moore: trio kamosc and gueuledeloup quartet.In 2007, he recorded kyrill, a set of compositions for piano trio featuring Valdi Kolli and Jim Black. Their follow-up cd, entitled verivyr, was released in 2011.

He has also collaborated with his wife, poet/painter Gabriele Guenther, on the audiodrama Borderline - From the Shadows of a Journey, and has written music for various chamber ensembles.In his solo work, mixed techniques are used to create a fluctuating world of sounds and gestures. Resonance and reverberation, space and density play an important role in both his solo and ensemble work.

Since his move to Berlin, he got involved in various new projects, such as the trio grünen with Robert Landfermann and Christian Lillinger, Oni Kramler (with Matthias Schubert, Antonio Borghini, and various guests), and a trio with cellist Okkyung Lee and trumpeter Axel Dörner.

In 2013, the sextet SKEIN (Kaufmann/Gratkowski/de Joode plus Richard Barrett, Okkyung Lee, and Tony Buck) had its premiere at the dOeK festival in Amsterdam and subsequently recorded for SWR radio.

He recently released duo albums with long-standing collaborators Michael Moore and Thomas Heberer.

In addition, Achim has played and/or recorded with Han Bennink, Mark Dresser, George Lewis, Steve Swallow, Tobias Delius, Wolter Wierbos, Mark Helias, Paul Rutherford, Thomas Lehn, Ab Baars, Paul Lovens, Dylan van der Schyff, Peggy Lee, Chris Speed, Tomász Stanko, Gerd Dudek, Bill Elgart, Paul Lytton, Harri Sjöström, Andrea Parkins, Harris Eisenstadt, Ingrid Laubrock, Tristan Honsinger, Shelley Hirsch, Steve Swell, Thomas Heberer, Urs Leimgruber, Roger Turner, Fay Victor, Fred Lonberg-Holm, John Hollenbeck, Bob Brookmeyer, Simon Nabatov, Lê Quan Ninh, Gerry Hemingway, John Hébert, Al Foster, Adam Nussbaum, and many more.

He was awarded the German SWR Jazz Award in 2001, and the prestigious Albert Mangelsdorff award in 2015.

"For many years, Achim Kaufmann has been one of the most inspiring and exciting personalities of the European jazz and improvisation scene. His music bears witness to great harmonic subtlety and structural depth. A brilliant pianist and composer, his reflected exploration of tradition has led him to a nuanced, contemporary sound language that encompasses poetry, energy and abstraction in equal measure." "-Julia Neupert, SWR radio

"Frank Gratkowski, saxophone. Born in Hamburg, 1963.

Started playing the saxophone at 16 and, following a period at the Hamburg Conservatory (Hamburger Musikhochschule), moved in 1985 to study at the Cologne Conservatory of Music with Heiner Wiberny, graduating in 1990.

Further studies with Charlie Mariano, Sal Nistico and Steve Lacy.

Frank Gratkowski has been working as a soloist in various international formations (Grubenklang Orchester, Klaus Koenig Orchester, Musikfabrik NRW, Tony Oxley Celebration Orchestra, Bentje Braam, BikBentBraam, All Ears, Zeitkratzer, WDR Big band, etc.). Since 1990 he has been giving solo performances throughout Europe, Canada and USA. With his first solo program, he was a 1991 prizewinner in the Musik Kreativ contest. The release of the solo CD "Artikulationen" followed the same year and a new one "Artikulationen II" in 2002.

Since 1992 he has been working in a duo with the pianist Georg Graewe (CD "VicissEtudes"). The duo is often extended through the participation of different additional musicians, such as drummer Paul Lovens (CD "Quicksand") and bassist John Lindberg (CD "Arrears").

In 1995 he founded the "Frank Gratkowski Trio" with Dieter Manderscheid (Germany), bass, and Gerry Hemingway (USA), drums, (CDs "Gestalten" and "The Flume Factor" ). In 2000 the trio has been extended to a quartet by Dutch trombonist Wolter Wierbos (CDs "Kollaps", "Spectral Reflections", "Facio" and "Le Vent et la Gorge"). Since 2003 also appearing as a Double Quartet plus Tobias Delius, Herb Robertson, Wilbert DeJoode and Michael Vatcher. In 2005 he got the SWR Jazzprize.

In 1999 the duo with the Italian trombonist Sebastiano Tramontana has been formed and since 2001 Frank Gratkowski has been performing with a trio including Wilbert De Jode (NL) on bass and Achim Kaufmann (D) on piano (CDs "Kwast" and "Unearth"). Since 2006 he's working with the Trio Gratkowski / Brown / Winant (CDs "Wake" and "Vermilion Traces/Donaueschingen 2009"). He is also a co-leader / composer of the Multiple Joy[ce] Orchestra and got a commission to compose for the ensemble Apartment House by "November Music " (Den Bosch NL) and the "Huddersfield Comtemporary Music Fesitival" (England) in 2009. Further actual projects are Fo[u]r Alto, a saxophone ensemble dedicated to microtonal music and "Artikulationen E" a solo program for saxophone with 8 channel live electronic.

Frank Gratkowski played on nearly every German and on numerous international Jazz and contemporary music Festivals including Vancouver, Toronto, Chicago, New York, Seattle, Quebec, Les Mans, Muelhuus, Groeningen, Nickelsdorf, Barcelona, Lithuania, Warsaw, Zagreb, Prague, Bratislava, Sofia, Bucharest, Odessa and Roma, Huddersfield, London.

He has been teaching saxophone and ensembles at the Cologne, Berlin and Arnhem Conservatory of Music and is giving workshops all around the world.

Furthermore he has performed with Robert Dick, Phil Wachsmann, Radu Malfatti, Herb Robertson, Marcio Mattos, Eugenio Colombo, Peter Kowald, Ray Anderson, Michael Moore, Ken Vandermark, Greg Osby, Kenny Wheeler, Louis Sclavis, John Betsch, Jane Ira Bloom, Connie and Hannes Bauer, Xu Fengxia, James Newton, Muhal Richard Abrams, John Lindberg, Michael Formaneck, Ernst Reijseger, Fred van Hove, Theo Jörgensmann, Phil Minton, Peter Brötzmann, Mark Dresser, Mark Feldman, Hamid Drake, Michiel Braam, Han Bennink, Mal Waldron, Misha Mengelberg a.m.o."

"Wilbert de Joode (1955) is a veritable research scientist of bass pizzicato and bowing techniques. A self-taught musician, he has been playing the double-bass since 1982. He began working in groups that improvised within a jazz framework. Other musicians were soon drawn to his idiosyncratic style, and in the mid 80s he played in groups led by Vera Vingerhoeds, Armando Cairo and Ig Henneman where he further developed his improvisation skills. He came into contact with such musicians as J.C.Tans, Rinus Groeneveld, Michiel Braam, Han Bennink, Han Buhrs (Schismatics) and Ab Baars.

De Joode is currently one of the most active bass players on the European improvised music circuit. His individual style and musicality transforms the double bass into an equal partner in the most varied ensembles. A personal tone colour, exploration of the outer registers, quirky improvisations and the use of gut strings contribute to an instantly recognizable and intriguing sound.

The seventeen improvised pieces on his first solo cd Olo (distributed by ToonDist) show how rich and complex his sound on the double bass is."