Ten celebrated vocalists featured in Opera Theatre of Saint Louis’s 2016 Festival Season took the stage with acclaimed pianist Carol Wong for a unique evening of music to benefit research at Siteman Cancer Center.  The 7th annual Sing for Siteman benefit concert was held at the Performing Arts Center at John Burroughs School.  A wine and dessert reception with the performers followed the concert.  All proceeds benefit the Siteman Cancer Center’s Discovery Fund in support of promising cancer research projects.  Elizabeth Mannen served as Honorary Chair and Host.  Cathy Berges and Kim Eberlein were Co-Chairs for the evening.