"Jan Roder (* 1968 ) is a German jazz bassist.

Roder studied music in Hanover. He began his career as a rock musician and lived longer periods in Brazil. In 1995 he came to Berlin, where he played touring and concerts with musicians such as Ulrich Gumpert, Ernst-Ludwig Petrowsky, Manfred Schoof, Uschi Brüning, Joachim Kühn, Aki Takase, Gunter Hampel, Mircea Tiberian and Axel Dörner.

As a successor to Joachim Dette, he is the band Disappointment, together with Axel Dörner, Rudi Mahall and Uli Jenneßen, who, together with Alexander von Schlippenbach, has the complete work of Thelonious Monk in his repertoire. Together with Björn Lücker and Henrik Walsdorff, he is the group The Most. He is also a member of the Caciula Trio (with Maurice de Martin and Ben Abarbanel-Wolff ), JR 3, the Silke Eberhard Quartet and the Zoran Terzic Trio, and performs as a duo of Maria Răducanu."

"Michael Griener, born in Nuremberg, Germany in 1968, began playing drums in 1982, lives in Berlin since 1994.

Under the influence of the HOHE-UFER-concerts initiated by Günter Christmann he became involved early on in the various forms of Jazztradition, Free Improvisation and New Music, which led to a longer collaboration with Christmann in his Vario-projects (a.o. C.I.M.-Festival Den Haag 1990, Moers-Festival 1992, Wittener Tage für Neue Kammermusik1993).

He has worked frequently with dancers, actors and poets (most recently in a project on Paul Celan with German writer Oskar Ansull). His duo KIMMO ELOMAA with electronic wizard jayrope received a grant by the city of Berlin in 2002 Received the 1. price as "most creative soloist" at the "New German Jazz Award" in 2006 His current projects include a.o.:

Uli Gumpert Quartet, TGW (Thieke-Griener-Weber), a Duo with Ernst-Ludwig Petrowsky, Lacy Pool, Squakk and Carl-Ludwig Hübsch' Primordial Soup Michael Griener teaches jazz drumming at the University for Music "Carl Maria v. Weber" in Dresden and jazz-history and rhythm at the Jazzschule Berlin."