Join celebrated local sopranos Katelyn Grace Jackson and Amy Broadbent, cellist Wade Davis, and organist Brent Erstad in a free performance of François Couperin’s Leçons de Ténèbres at St. John’s, Lafayette Square. Written for Holy Week in 1714, Leçons de Ténèbres sets text from the Book of Lamentations wherein the prophet Jeremiah laments the destruction of Jerusalem.