Gregorian Chant: Mass of the Annunciation (A Celebration of High Mass According to the Traditional Roman Rite) is and English album released in 1997. There are a total of 26 songs in Gregorian Chant: Mass of the Annunciation (A Celebration of High Mass According to the Traditional Roman Rite). The songs were composed by talented musicians such as Schola Gregoriana of Cambridge, Mary Berry, and James O'Donnell. Listen to all of Gregorian Chant: Mass of the Annunciation (A Celebration of High Mass According to the Traditional Roman Rite) online on JioSaavn.