Records 25th Anniversary (Leo Records, 2007) Gebhard Ullmann, Steve Swell, Julian Argüelles, John Hebert, Gerald Cleaver New Basement Research (Soul Note, 2007) Conference Call Poetry in Motion (Clean Feed, 2008; with Michael Jefry Stevens, Joe Fonda, George Schuller) Gebhard Ullmann Basement Research Don't Touch My Music Vol 1 & 2 (NotTwo Records, 2009) Steve Swell, Gebhard Ullmann, Hilliard Greene, Barry Altschul News? No News! (Jazzwerkstatt, 2010) Conference Call What About ...? (NotTwo Records, 2010; with Michael Jefry Stevens, Joe Fonda, George Schuller) Steve Swell, Gebhard Ullmann, Hilliard Greene, Barry Altschul Live in Montreal (CIMPol, 2010) Tá Lam 11 Mingus! (Jazzwerkstatt, 2011; with Benjamin Weidekamp, Daniel Erdmann, Hans Hassler, Heiner Reinhardt, Hinrich Beermann, Jürgen Kupke, Michael Thieke, Vladimir Karparov, Volker Schlott) The Clarinet Trio: 4 (Leo Records, 2012; with Jürgen Kupke, Michael Thieke) BassX3: Transatlantic (Leo Records, 2012; with Chris Dahlgren, Clayton Thomas) The Double Trio de Clarinets: Itinéraire bis (Between the Lines, 2013; with Jean-Marc Foltz, Sylvain Kassap, Armand Angster, Jürgen Kupke, Michael Thieke) Conference Call. Seven. Live at the Firehouse (NotTwo Records, 2014; with Michael Jefry Stevens, Joe Fonda, George Schuller) Gebhard Ullmann, Daniel Erdmann, Johannes Fink, Christian Lillinger E und U Mann (WismART 2014) Gebhard Ullmann, Gerhard Gschlößl, Johannes Fink, Jan Leipnitz GULF of Berlin (Jazzwerkstatt, 2014) Almut Kühne & Gebhard Ullmann Silver White Archives (Unit, 2014) Gebhard Ullmann & Basement Research: Hat and Shoes (Between the Lines, 2015) Gebhard Ullmann, Achim Kaufmann Geode (Leo Records 2016) Almut Kühne, Gebhard Ullmann, Achim Kaufmann Marbrakeys (Leo Records 2016) Steve Swell, Gebhard Ullmann, Fred Lonberg-Holm, Michael Zerang The Chicago Plan (Clean Feed 2016) The Clarinet Trio Live In Moscow with guest Alexey Kruglov (Leo Records 2017) Gebhard Ullmann, Oliver Portratz, Eric Schafer Das Kondensat (WhyPlay Jazz 2017) Gebhard Ullmann & Alexey Kruglov Moscow - Berlin (Fancy Music, 2018) Gebhard Ullmann & Basement Research Impromptus and Other Short Works (mit Julian Argüelles, Steve Swell, Pascal Niggenkemper, Gerald Cleaver) (WhyPlay Jazz 2019) Tatiana Komova, Almut Kühne, Alexey Kruglov, Gebhard Ullmann Deuce Crossings (Fancy Music 2019) Gebhard Ullmann, Hans Lüdemann, Oliver Potratz, Eric Schaefer mikroPULS (Intuition Records 2019) Conference Call Prism w. Gebhard Ullmann, Michael Jefry Stevens, Joe Fonda, Dieter Ulrich (NotTwo Records, 2020) Das Kondensat 2 w. Gebhard Ullmann, Oliver Potratz, Eric Schaefer (WhyPlay Jazz 2021) GULFH of Berlin w. Gerhard Gschlössl, Gebhard Ullmann, Johannes Fink, Jan Leipnitz, Michael Haves (ESP-Disk' 2021) The Chicago Plan For New Zealand w. Steve Swell, Gebhard