Ensemble leader and tuba player Carl Ludwig Hubsch created this musical concept inspired by the guitar player Keith Rowe, exploring one static sound in the ensemble, maintaining it and in the same time interacting with utmost care and openness for any necessary change, in a 22-piece ensemble of exceptional players.

Drummer Christian Lillinger continues to adapt his band since his 2009 debut GRUND album, "First Reason", here demonstrating his strong skills as a leader, player, and composer.

Genre-crossing improvisation with a jazz basis and far-reaching influences from guitarist Luis Lopez and his Berlin Trio of bassist Robert Landfermann and drummer Christian Lillinger.

"Grunen" (The Greening) is a live totally improvised recording from the trio of pianist Achim Kaufmann, bassist Robert Landfermann, and drummer Christian Lillinger.