Accompaniment for the organ in modern notation of the Gregorian masses of the solemnities and the main feasts: Christmas (Midnight Mass and Mass of the day), 1st January, Epiphany, Baptism of the Lord, Vigil, Mass of Easter, Ascension, Pentecost, Trinity, Corpus Christi, Sacred Heart, Christ the King, Presentation of the Lord, Saint Joseph, Annunciation, St. John the Baptist, Saints Peter and Paul, Transfiguration, Assumption, Exaltation of the Cross, All Saints, Immaculate Conception, and Dedication.