Ubi Caritas — antiphon of Holy ThursdayUbi caritas et amor, Deus ibi est — trilingual antiphon of the mandatum (washing of feet) of Holy Thursday, attributed to St Paulinus of Aquileia († 802).
Victimae Paschali Laudes — sequence of EasterSequence Victimae Paschali Laudes — sung at the Mass of Easter Sunday; one of the 5 sequences of the Roman Missal; Wipo of Burgundy († 1050).
O Filii et Filiae — paschal hymnO Filii et Filiae — trilingual paschal hymn of Jean Tisserand OFM († 1494) — 13 Alleluia stanzas of the Octave of Easter.