22K views · 1.5K reactions | Parts of the Holy Mass 4. The Liturgy of the Holy Eucharist - The preface After a brief introductory dialogue, the celebrant begins the Preface. The Preface tells of the wonderful actions of God, both throughout history and in our lives, giving thanks to God for all these things. The Preface concludes with the Sanctus in which the whole assembly joins the song of the angels giving praise to the Father in heaven (cf. Is 6:3). | Fada Kumaga Fabian | Facebook