St. Gregory the Enlightener Church of White Plains, NY, will hold its 17th annual “Lionel Galstaun Memorial Concert” on Sunday, May 19, at 1:30 p.m., featuring Haig Hovsepian (violin) accompanied by Ani Shamakhian Hovsepian (piano), at the church (1131 North St., White Plains). Presented by the parish cultural committee. Free and open to the public. For information, click on the following links to view a flyer and access the parish website.