Forming his NU Ensemble in 1997 to merge free-jazz, improv, noise and contemporary forms, Mats Gustafsson presented Hidros One for 9 improvisers, tape & conductor that same year, progressing over 25 years to this 9th conduction of the Hidros concept in his largest ensemble yet: 25 musicians in two 9-piece ensembles plus soloists, captured live at the 2022 Avant Art Festival in Warsaw, Poland.

Two movements from a live score for the classic silent film Terje Vigen by Sjöström composed and produced by Swedish pianist & keyboardist Alex Zethson (Angles 9, VÖ, Fire! Orchestra), two long-form tracks of dark and sombre, pulsating folk-drone featuring Norwegian vocal ensemble EMBLA plus appearances by, i.e., Christer Bothén, Kristin Amparo Sundberg and Goran Kajfeš.