It is with heavy hearts and great sadness that we write to inform you that Dr. Michael S. Pettersen, tenor in the Mendelssohn Choir, passed away on Wednesday, April 1, of cardiac arrest. Mike was a valued member of the Choir, singing second tenor since his first season in 2008. He most recently participated in our peformance of Rossini’s Petite Messe Solennelle, on March 22...