St. Gregory the Enlightener Church of White Plains, NY, will hold its 19th annual “Lionel Galstaun Memorial Concert” on Sunday, Nov. 7, featuring cellist Laura Navasardian, following badarak at the church (1131 North St., White Plains). Presented by the parish cultural committee. Free and open to the public, but RSVP and masks required. For information, click on the following links to view a flyer and access the parish website.