1903-1969 adorno aspectmoral aspectsocial autobiography biography composers criticismandinterpretation individualcomposer maatschappij moralandethicalaspects moralandethicalaspectsofmusic music musicandmorals musicandsociety musician musicians musikphilosophie musique muziek muzieksociologie philosophieetesthétique philosophyandaesthetics socialaspects socialaspectsofmusic theodorwiesengrund