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