This compilation is dedicated to the Klar! 80 underground cassette label, that was active in Düsseldorf during the early '80s and has since then gained cult status. Label founder Rainer Rabowski released (mainly) cassettes from a.o. his own project Herr Ickswo and ground breaking acts s.a. Eraserhead, Roter Stern Belgrad, Dilette, Blässe and Klang Da.