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