The second Sunday in Lent is of semi-double rite and its liturgical colour is violet. No feast can take precedence over it, or any such a Sunday, in occurrence. The Gospel pericopes are St. Matthew's account of the LORD's Transfiguration.
At Vespers, yesterday morning, the antiphons and psalms (143, 144, 145, 146 & 147) of Saturday were sung. The chapter was proper to the Sunday and the Office hymn was Audi, benigne conditor. 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 Office 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 text 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 Sunday and are 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 antiphons are proper to the Sunday, Domine bonum est etc. At Prime the order of psalmody is Pss. 53, 92, 118i, 118ii and Quicumque. The Dominical preces are sung. At all the Hours the antiphons, as noted, and chapters are proper.
At Mass the ministers wear folded chasubles. There is no Gloria, the second collect is A cunctis, 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.
At Vespers the antiphons and psalms are of Sunday (109, 110, 111, 112 & 113). The chapter is proper to the Sunday and the Office hymn is Ad preces nostras deitatis aures. 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 are sung. After Benedicamus Domino and its response Vespers of the Dead are sung. At Compline the Dominical preces are sung. After Mattins and Lauds of Monday are sung Mattins and Lauds of the Dead follow.
Art: Mosaic of the Transfiguration, St. Catherine's Monastery Sinai, Wikipedia.