Some of the London free improv scene's finest players, including members of Remote Viewers, Custodians Of The Realm, London Improvisers Orchestra, The Runcible Quintet, &c, met with visiting Berlin double bassist Ulf Mengersen to record this fascinating collective improvisation, using objects, preparations, and a WASP synthesizer for wonderfully unusual results.

Eight aquatic themed works from the Berlin-based quintet of Hui-Chun Lin and Uygur Vural on cello, Matthias Müller on trombone, Klaus Kurvers and Ulf Mengersen on bass; also known as Ensemble Discoveries, this album collects work from 2020-22, described as "improvised music and Echtzeit Compositions and the ideas of deep sea, their special living conditions: big pressure, eternity darkness".

"Ensemble MIA unites over 60 improvisers and experimental musicians from all over the world, who participated in MIA 2016 - 7th Encontro de Música Improvisada de Atouguia da Baleia (Improvised Music Encounter) festival. The event ...

This string and reed quintet presents a fluid approach to chamber-oriented improv with dexterous melodic and harmonic motion, utilizing contemporary and jazz idioms as they create something masterfully unique; from Anna Kaluza on alto sax, Edith Steyer on alto sax & clarinet, Ernesto Rodrigues on viola, Guilherme Rodrigues on cello and Ulf Mengersen on double bass.

Four strings, voice and trombone make up the multinational collective quintet of Davide Piersanti (trombone), Hui-Chun Lin (cello and voice), Sergio Andres Castrillon Arcila (cello), Ulf Mengersen (bass), and Klaus Kurvers (bass) who are captured live at "t-berlin" in 2016 for a set of inventive and active cooperative conversations named for Greek letters.

Working with modular synthesizer systems and amplified double bass, the Berlin duo of Ulf Mengersen, a member of Berlin Improvisers Orchestra and Ensemble MIA, and Thomas Rehnert, an experimental musician, sound artist and composer known for rock, theater, radio, visual arts and free improv settings, recorded these 10 electroacoustic improvisations in the studio in 2021.