The Second Sunday of Lent is of semi-double rite. No feast can take precedence over it or any such a Sunday. The Gospel pericope is St. Matthew's account of the LORD's Transfiguration.
At Vespers, yesterday morning, the antiphons and psalms (143, 144, 145, 146 & 147) were of Saturday, the chapter proper to the Sunday. The Lenten hymn Audi benigne conditor was sung. After the collect of the Sunday the Suffrages of the BVM Sancta Maria succurre etc, the Apostles Petrus Apostolus etc, of the Patron and lastly for peace Da pacem Domine etc were sung. At Compline the Dominical preces were sung.
At Mattins the invitatory is Non sit vobis and the hymn is Ex more. In the first nocturn psalms 1, 2, 3, 6, 7, 8, 9, 10, 11, 12, 13 & 14 are sung. In the first nocturn the lessons are from the twenty-seventh chapter of the Book of Genesis. In the second nocturn psalms 15, 16 & 17 are sung, the lessons are from St. Augustine's Book against Liars. The fourth lesson is several sentences longer than the lesson found in more modern editions. In the third nocturn psalms 18, 19 & 20 are sung and the lessons are from a homily from St. Leo on the Gospel. The eighth lesson contains part of the text of the modern ninth lesson and the ninth lesson contains more material than that found in the modern editions. In place of the Te Deum a ninth responsory is sung, Cum audisset Jacob.
At Lauds the antiphons, Domine labia mea aperies etc., are proper to the Second Sunday and sung with Pss. 50, 117, 62-66, Benedicite & 148-149-150. The Office hymn is Jam Christe sol justitiae. The versicle after the hymn Angelis suis, chapter, antiphon on the Benedictus and collect are proper to the Sunday (the versicle and its response being used throughout Lent). After the collect of the Sunday the Suffrages of the BVM Sancta Maria succurre etc, the Apostles Gloriosi principes etc, of the Patron and lastly for peace Da pacem Domine etc are sung.
At Prime and the Hours the antipons are proper to the Sunday, Domine bonum est etc. At Prime the order of psalmody is Pss. 53, 92, 118i, 118ii and Quicumque, the 'Athanasian' Creed. The Dominical preces are sung. At all the Hours the antiphons, as noted, and chapters are proper.
In Mass the ministers wear folded chasubles. There is no Gloria, the second collect is A cunctis nos, the third collect is Omnipotens. A Tract replaces the Alleluia after the Gradual, the Credo is sung and the preface of Lent is sung. The dismissal is Benedicamus Domino sung by the deacon facing the altar and celebrant.
Vespers are of the Sunday. The antiphons and psalms of Sunday are sung. The Office hymn is the beautiful Ad preces nostras Deitatis aures. After the collect of the day the Suffrages are sung of the BVM Sancta Maria succurre etc, the Apostles Petrus Apostolus etc, of the Patron and lastly for peace Da pacem Domine etc.
After Vespers of the Sunday Vespers of the Dead are sung. In practice this Vespers was often joined with Mattins and Lauds of the Dead which are also prescribed in Lent after Mattins and Lauds of Monday.