I Will Sing of the Mercies Fillmore I will sing of the mercies of the Lord forever I will sing, I will sing. I will sing of the mercies of the Lord forever, I will sing of the mercies of the Lord. With my mouth will I make known Thy faithfulness, Thy faithfulness. With my mouth will I make known Thy faithfulness to all generations. I will sing of the mercies of the Lord forever I will sing, I will sing. I will sing of the mercies of the Lord forever, I will sing of the mercies of the Lord.