\'wasser: weg\' improvisations in Munich´s sewage system In 2005 Tobi Hofmann and his 2kiloherz-team released the CD \'inside\'(Rodenstein Records ROD27), a multicoloured piece of improvised music recorded in a discharged nuclear reactor. For the new CD \'wasser: weg\' (an ambiguous German wordplay:\'water: way\'as well as \'water: away\') they went in two very special rooms: a huge reservoir for rainwater and a new-build digestion tower in Munich/Germany, both providing a sensational acoustic situation with reverb times up to 30 seconds. Tobi Hofmann and Ulrich Wangenheim play simple solo & duo-improvisations, plane and sometimes meditational pieces, that make the listener feel the speciality of these places. Something very special! Tobi hofmann: flugelhorn, e-piano, shruti-box, percussion, vocals, repeater, water, entrance-door, tubes. Ulrich wangenheim: soprano-and tenor-saxophone, bass-clarinet, flute, tubes.