b'The Rev. Dr. Karen Coleman preaches a sermon entitled \\u201cBe the Light.\\u201d The Marsh Chapel Choir sings \\u201cDeus in adjutorium meum . . .(Psalm 70) \\u201d by Benjamin Britten and \\u201cBenedictus in F major ,\\u201d by Samuel Coleridge-Taylor, along with service music and hymns.'