Piano Solo - Level 3 - Digital Download SKU: A0.1209927 Composed by Phillip Keveren, Thomas O. Chisholm, and William Runyan. Arranged by Sandy McIntire. 20th Century,Christian,Easter,Praise & Worship,Wedding. Score. 7 pages. Sandy McIntire #807895. Published by Sandy McIntire (A0.1209927). Great Is Thy Faithfulness is a Christian hymn with music by William M. Runyan, an American composer. The phrase great is thy faithfulness comes from the Old Testament Book of Lamentations 3:23. This arrangement by McIntire is for Intermediate Piano.