Beethoven Symphony No. 9 with the Colorado Symphony & Chorus May 27 – May 29 Times vary Boettcher Concert Hall Denver https://coloradosymphony.org/ After conducting lauded performances of Mozart’s Requiem  in 2017 and Debussy’s La Mer in 2020, Jun Märkl returns leading your Colorado Symphony through two German romantic masterpieces and Beethoven's dramatic Piano Concerto No. 3 featuring pianist Claire Huangci. Strauss’ Don Juan  is wildly modern for the time, and incredibly challenging for the orchestra, as evidenced by a horn player’s famous utterance prior to its premiere, “Dear God! What sin have…