Two thirds of the free jazz group "Boom Box"--saxophonist Thomas Borgmann and drummer Willi Kellers--and referencing that band's 2011 album titled Jazz, Keys & Screws is rounded out as a trio with double bassist Jan Roder, following the format of "Jazz" with compositions from each player following head/solo format, fueled by each player's extensive experience.

An improvising string quartet with Creative Sources label leader Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, German violinist and violist Dietrich Petzold and German double bassist Jan Roder, recording in the studio in Berlin in 2018 for seven active improvisations with a chamber feel, each named by the letters making up the word "PICTURE".

Composer-pianist Satoko Fujii's new Orchestra Berlin, a ten-piece ensemble, presents a powerful work written specifically for this group in thought-provoking compositions of and uninhibited energy, with performers including saxophonists Gebhard Ullmann, Paulina Owczarek & Matthias Schubert, trombonist Matthias Muller, bassist Jan Roder, and drummers Peter Orins and Michael Griener.

Berlin saxophonist & bass clarinetist Silke Eberhard leads her trio with Jan Roder on bass and Kay Lubke on drums through a conceptual jazz album where tracks are connected by a fictional Inn, opening a literal door to the album and then introducing us to superb playing on Dolphy or Mahall-inspired free jazz, including a "Willisau Suite", "Towels", a "Wake-Up Call", &c.

The Berlin trio of Rudi Mahall on clarinet and bass clarinet, Olaf Rupp on electric and acoustic guitar and Jan Roder on double bass in an ironically packaged album of free improvisation of the highest standard, taking the listener on a journey of informed free jazz that references the past in thoroughly modern approaches to creative music.