Home / Sheet Music / Mass of the Faithful – Penitential Act II / Lord, Have Mercy View cart “Thy Will Be Done” has been added to your cart. Mass of the Faithful – Penitential Act II / Lord, Have Mercy$2 Mass of the Faithful - Penitential Act II / Lord, Have Mercy quantity Add to cart Category: Sheet Music Related products Children of God $2 Add to cart I Will Walk in the Presence of The Lord $2 Add to cart Mass of the Faithful – The Great Amen $2 Add to cart Holy Spirit, Lord Of Light – The Pentecost Sequence $2 Add to cart