(Biber, 1985) Gebhard Ullmann, Andreas Willers, Hans-Dieter Lorenz, Nikolaus Schäuble Out to Lunch (Nabel, 1985) Minimal Kidds No Age (Intuition, 1987, with Andreas Willers, Nikolaus Schäuble, Trilok Gurtu, Glen Moore, Burhan Öçal, Hans Lüdemann) Gebhard Ullmann, Enrico Rava, Andreas Willers, Martin Lillich, Nikolaus Schäuble (Nabel, 1989) Per-Dee-Doo (Nabel, 1990; with Michael Rodach, Martin Lillich, Nikolaus Schäuble) Gebhard Ullmann, Andreas Willers Suite Noire with Marvin Smitty Smith, Bob Stewart (Nabel, 1992) Gebhard Ullmann, Andreas Willers Playful '93 (Nabel, 1993) Gebhard Ullmann, Hans Hassler Tá Lam (99 Records, 1993) Tá Lam 8 Moritat (99 Records, 1994; with Dirk Engelhardt, Hans Hassler, Heiner Reinhardt, Jürgen Kupke, Joachim Litty, Thomas Klemm, Volker Schlott) Gebhard Ullmann, Ellery Eskelin, Drew Gress, Phil Haynes Basement Research (Soul Note, 1995) Gebhard Ullmann, Andreas Willers, Phil Haynes Trad Corrosion (Nabel, 1997) Kreuzberg Park East (Soul Note, 1999, with Ellery Eskelin, Drew Gress, Phil Haynes) Gebhard Ullmann, Jürgen Kupke, Michael Thieke Oct 1, '98 (Leo Records, 1999) Tá Lam Zehn Vancouver Concert (Leo Records, 2000; with Hinrich Beermann, Daniel Erdmann, Hans Hassler, Thomas Klemm, Jürgen Kupke, Joachim Litty, Theo Nabicht, Heiner Reinhardt, Volker Schlott) Essencia featuring Carlos Bica (Between the Lines, 2001; with Jens Thomas) Clarinet Trio Translucent Tones (Leo Records, 2002; with Jürgen Kupke, Michael Thieke) Conference Call Final Answer (Soul Note, 2002; with Michael Jefry Stevens, Joe Fonda, Matt Wilson) Conference Call Variations on a Master Plan (Leo Records, 2003; with Michael Jefry Stevens, Joe Fonda, Han Bennink) Conference Call Spirals. The Berlin Concert (482 Music, 2004; with Michael Jefry Stevens, Joe Fonda, George Schuller) Steve Swell, Gebhard Ullmann, Hilliard Greene, Barry Altschul Desert Songs and Other Landscapes (CIMP, 2004) The Clarinet Trio Ballads and Related Objects (Leo Records, 2004) The Big Band Project (Soul Note, 2004, with Claus Stötter, Ingolf Burkhardt, Michael Leuschner, Reiner Winterschladen, Ingo Lahme, Joe Gallardo, Sebastian Hoffmann, Sebastian John, Stefan Lottermann, Peter Bolte, Fiete Felsch, Lutz Büchner, Julian Argüelles, Christof Lauer, Frank Delle, Vladislav Sendecki, Stephan Diez, Lucas Lindholm, Tom Rainey, Marcio Doctor, Dieter Glawischnig) Gebhard Ullmann, Chris Dahlgren, Peter Herbert BassX3 (Drimala, 2005) Gebhard Ullmann, Chris Dahlgren, Art Lande Die blaue Nixe (Between the Lines, 2006) Gebhard Ullmann, Chris Dahlgren, Jay Rosen CutItOut (Leo Records, 2006) Gebhard Ullmann & Basement Research Live in Münster (NotTwo Records, 2006) Conference Call Live at the Outpost Performance Space (482 Music, 2006; rec. 2003; with Michael Jefry Stevens, Joe Fonda, Gerry Hemingway) The Clarinet Trio Leo