David Patrick Stearns on Yannick Nézet-Séguin: “Has the Philadelphia Orchestra ever had a fun music director? … Levity has never been a priority in the serious world of classical music. We’re talking about a musical CEO here – and huge responsibilities to deliver world-class Beethoven, Brahms and Mahler. So here’s a conductor who appears on his Facebook page in a swim suit.” (Is he hot?)