OUT Sessions are extraordinary music in extraordinary places in surround quality. These live sound bubbles are a surprising, non-hermetic, acoustically new reality in a unique context. Since 2018, Werner Hasler & Carlo Niederhauser have further developed this site-specific format and staged it on alpine pastures, high-rise rooftops, in a crop circle at a running marshalling yard, on a ride at nightfall, in the succulent house of the botanical garden, on the solar ship with binaural headphone sound, hexaphonically on the lakeshore and