The Rev. Dr. Robert Allan Hill preaches a sermon entitled \u201cAlma Mater\u201d in honor of Boston University's Matriculation Service. The Marsh Chapel Choir sings \u201cPrayer I (from AMDG)\u201d by Benjamin Britten, and \u201cLet us break bread together\u201d\xa0 arranged by William Lawrence, along with service music and hymns.