If you look back, Mozart, Haydn and Beethoven were mixing mu… If you look back, Mozart, Haydn and Beethoven were mixing music and humor all the time. — Richard Hyung-ki Joo Tags: #Music, #Time, #Beethoven, #RichardHyung-kiJoo, #SouthKorean, #MusicianMini who’s who: Richard Hyung-ki Joo : South Korean...