Zeitkratzer director and pianist Reinhold Friedl meets with Martin Siewert (Radian, Fake the Facts, Dry Thrust) for three improvised explorations on piano, guitar and electronics, through the course of powerful transitions building from deep introspection into prickly, bellicose interaction, yielding to a brooding finale of subtle electronics and punctuation; profound.

The trio of German pianist/composer Georg Graewe, guitarist Martin Siewert (Radian, Trapist, Also), and drummer Dieter Kern (DEK Trio, Bulbul, Fuckhead) bring together diverse attitudes in free improv from avant jazz to ea-/experimental approaches and bristling rock forms, sharing a unique collective voice with an oddly implied sense of humor and disconcertingly ingenious skill.

The duo of saxophonist Boris Hauf and pianist D Bayne team up with guitarist Martin Siewert in this collection of tracks inspired by different U.S. national parks and their representation in iconic posters.

A unique album blurring acoustic recordings from saxophonist Mats Gustafsson with the electronic machinations and rhythms of Wendy Gondeln, aka Albert Oehlen, a German experimental electronic artist, the two inviting Martin Siewert for additional guitar on two tracks, and Wolfgang Voight to remix two tracks; funky, unpredictable, amusing, and seductively tantalizing.

A box set documenting the October 2015 3-day event held at Porgy and Bess in Vienna for the 50th birthday of saxophonist Mats Gustafsson (The Thing, Fire! and innumerable duo/trio/ensemble formations) with a who's-who of collaborators invited to join in various formations.

The duo of saxophonist Boris Hauf and pianist D Bayne team up with guitarist Martin Siewert in this collection of tracks inspired by different U.S. national parks and their representation in iconic posters.

A diverse and fascinating release from clarinetist Michael Thieke, also on zither and providing field recordings, with guitarist Martin Siewert, accordionist Luca Venitucci, and two bassists--Christian Weber & Derek Shirley, and two drummers--Steve Heather and Eric Schaefer.