An explorative album of collective free improvisation from the transatlantic duo of German pianist Elisabeth Harnik and New York trombonist Steve Swell, following up on their 2020 album Tonotopic Organisation, this 2022 live concert at Offene Ohren, in Munich brings listeners current to both improvisers immense creative drive, masterful skill, and their mutual, exuberant rapport.

The title referring to the spatial arrangement where sounds of different frequency are processed in the brain, New York trombonist Steve Swell and Austrian Elisabeth Harnik performing inside and out of the piano, are captured live at Martinsschlossl, in Vienna, Austria in 2019 for 8 free improvisations of immense creative drive and ebullient rapport.