Introibo Ad Altare Dei - I Will Go In To The Altar of God (Psalm 42)
Bishop Charles McGuire with Altar boys
P: In nomine Patris, et Filii, et Spiritus Sancti. Amen.
P: In the Name of the Father, and of the Son, and of the Holy Spirit. Amen.
P: Introibo ad altare Dei.
P: I will go unto the altar of God.
S: Ad Deum qui laetificat juventutem meam.
S: To God, Who gives joy to my youth.
The Judica Me (Psalm 42)
P: Judica me, Deus, et discerne causam meam de gente non sancta: ab homine iniquo et doloso erue me.
P: Judge me, O God, and discern my cause from the unholy nation, rescue me from the unjust and deceitful man.
S: Quia tu es, Deus, fortitudo mea: quare me repulisti, et quare tristis incedo, dum affligit me inimicus?
S: For Thou, O God, art my strength, why hast Thou forsaken me? And why do I go about in sadness, while the enemy afflicts me?
P: Emitte lucem tuam et veritatem tuam: ipsa me deduxerunt et adduxerunt in montem sanctum tuum, et in tabernacula tua.
P: Send forth Thy light and Thy truth: for they have led me and brought me to Thy holy mount, and into Thy tabernacles.
S: Et introibo ad altare Dei: ad Deum qui laetificat juventutem meam.
S: And I will go into the altar of God: to God, Who gives joy to my youth.
P: Confitebor tibi in cithara, Deus, Deus meus: quare tristis es anima mea, et quare conturbas me?
P: I shall yet praise Thee upon the harp, O God, my God. Why art Thou sad, O my soul, and why dost Thou disquiet me?
S: Spera in Deo, quoniam adhuc confitebor illi: salutare vultus mei, et Deus meus.
S: Hope in God, for I will still praise Him, The Salvation of my countenance, and my God.
P: Gloria Patri, et Filio, et Spiritui Sancto.
P: Glory be to the Father, and to the Son, and to the Holy Spirit.
S: Sicut erat in principo, et nunc, et semper: et in saecula saeculorum. Amen.
S: As it was in the beginning, is now, and ever shall be, world without end. Amen.
P: Introibo ad altare Dei.
P: I will go unto the altar of God.
S: Ad Deum qui laetificat juventutem meam.
S: To God, Who gives joy to my youth.
P: Adjutorium nostrum in nomine Domini.
P: Our help is in the Name of the Lord.
S: Qui fecit caelum et terram.
S: Who made heaven and earth.
( For more know about Latin Mass - English Text for Tridentine Mass Pre-55 to guide you for Holy Mass, you can read this :
http://traditionalcatholic.net/Tradition/Mass/Missal/index.html )