On Nov. 7, the White Light Festival in Lincoln Center will present the U.S. premieres of James MacMillan’s widely acclaimed “Stabat Mater” and “Miserere” as part of the 10th anniversary of the festival. Harry Christophers, music director and founder of The Sixteen choir, will lead both works alongside the Britten Sinfonia ensemble. It’s a big year for Christophers, who is celebrating the {…}