Their group name Die Hochstapler translating to "The Impostors", the fourth exuberant free jazz album from the Berlin quartet of Pierre Borel on alto saxophone, cymbals & bird calls, Louis Laurain on trumpet & vocals, Antonio Borghini on double bass and Hannes Lingens on drums & vibraphone was recorded during their February 2022 residency at Au Topsi Pohl.

Bassist Sebastien Beliah leads this French-Polish quartet with Louis Laurain on cornet, Pierre Borel on alto saxophone, and Olga Koziel on voice & percussions, blending free jazz and traditional Polish music & songs with an experimental bent and the flourish of East European folk energy, a passionate mix that entertains and surprises the listener with unexpected twists & turns.

Two major works of evolving acoustic soundscape from Swiss violinist & composer Patricia Bosshard realized by the 27-member Orchestra des Nouvelles Creations, which includes Bosshard, Stephane Rives, Bertrand Denzler, &c.; "Sillon" employs a percussive pulse over 27 independently transforming grooves; "Reflets" a harmonic composition for bowed strings, including three double basses.

Bassist Sebastien Beliah leads this French-Polish quartet with Louis Laurain on cornet, Pierre Borel on alto saxophone, and Olga Koziel on voice & percussions, blending free jazz and traditional Polish music & songs with an experimental bent and the flourish of East European folk energy, a passionate mix that entertains and surprises the listener with unexpected twists & turns.

Don Redman was an American big band leader popular in the 1930's, responsible for work on animations, sound tracks, and recordings of pre-swing hot jazz arrangements of popular tunes; here the French Umlaut Big Band under the direction of Pierre-Antoine Badaroux pays homage to his music in rich orchestration showing the melodic, inventive, and complexities of Redman's music.

Musaeum Clausum is a French-German trio that features Louis Laurain on cornet (Die Hochstapler, Umlaut Big band, ONCEIM), Hannes Lingens on drums (Obliq, Konzert Minimal) and Sebastien Beliah on bass.(Un Poco Loco, Ensemble Hodos, Umlaut Big Band), in an album of patiently developing improvisation giving each player freedom and flexibility within a composed framework.