This sublime chant setting of the ancient prayer, "Anima Christi," stirs the depths of the human soul.

This is the Introitus of the 3rd Sunday after Pentecost from Ps. 24:16; 24:18; 24:1-2.

The Lord is the strength of His people, the saving refuge of His anointed. Save Your people, O Lord, and bless Your inheritance...

You have redeemed us, O Lord God, in your blood out of every tribe, and tongue, and people and nation; and made us a kingdom for our God.

The opening words (used as a title) of the sequence composed by St. Thomas Aquinas, about the year 1264, for the Mass of Corpus Christi.

The introit for the 3rd Sunday after Easter, Iubilate Deo, comes from Psalms 65:1-23.

Gereon Krahforst improvises on the introit "Laetare Jerusalem" at the Kilgen Organ in the Cathedral Basilica of Saint Louis in 2013.

To You I lift up my eyes, Who are enthroned in heaven...Have pity on us, O Lord, have pity on us.