Four improvisations titled for the way nature deals with water (The Whirlpool, The Vortex, The Whirlwind, Maelstrom) from the quartet of Lina Allemano on trumpet, Uwe Oberg on piano, Matthias Bauer on doublebass and Rudi Fischerlehner on drums & percussion, heard in this well-flowing, well-recorded and energetically upbeat set at Zentrifuge in Berlin in 2022.

14 musicians from 9 different countries in various collaborative groupings performing acoustic & electronic free improvisations, the focus on soundscape and limited to 15 minute performances, developed by saxophonist Harri Sjöström in 2013 as "SoundScapes Festivals" and presented in Helsinki and now in Munich as part of the art-project "Aspects of Free Improvisation 2021".

Four string improviser convene at Ulrichsberger Kaleidophon, in Germany in 2021, two of them from Germany--Dietrich Petzold on violin, viola, clavichord & bowed metal, Matthias Bauer on double bass--and the Portuguese father/son complement of improvisers--Ernesto Rodrigues on viola and Guilherme Rodrigues on cello--for three works of delicately sinewy intersection & counterpoint.

An album for bowed strings, bowed metal, and double bass, from the quartet of Dietrich Petzold on violin, viola, bowed metal, Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, and Matthias Bauer on double bass, presenting a seven part suite recorded in the studio in Berlin, active and exciting music that bridges classical technique with free improvisation.

A 3 CD box set with a booklet and bow hair marking violinist/conceptualist Jon Rose's 60th birthday, all previously unreleased works ranging from radio documentary and radio fiction to virtuoso performances using acoustic violin and his hyperstring interactive bow system.