The Rev. Dr. Jessica Chicka preaches a sermon entitled \u201cFinding Divine Sustenance.\u201d The Marsh Chapel Choir sings \u201cQuam pulchri sunt\u201d by Tom\xe1s Luis de Victoria and \u201cDie Himmel erz\xe4hlen die Ehre Gottes, SWV 386\u201d by Heinrich Sch\xfctz, along with service music and hymns.