Listen to Gregorian Chant: Agnus Dei (Mode II) from Mass XII online. Gregorian Chant: Agnus Dei (Mode II) from Mass XII is an English language song and is sung by Choir Of The Monks Of The Abbey of Saint Pierre De Solesmes and Dom Joseph Gajard. Gregorian Chant: Agnus Dei (Mode II) from Mass XII, from the album Gregorian Chant Vol. One, No. 2 - Kyrie & Gloria, Antiphons, Short Responsoties, Psalmody (Album of 1953), was released in the year 2021. The duration of the song is 1:24. Download English songs online from JioSaavn.