J. Douglas MacMillan has been held at that institution in his honour. According to Hywel Jones, MacMillan's preaching was marked by "powerful originality and strong orthodoxy". He is best known for his book "The Lord Our Shepherd" (). This is an exposition of Psalm 23, originally given to the Evangelical Movement of Wales in 1979. MacMillan drew on his 12 years of experience as a shepherd to argue that the shepherd theme pervades the entire psalm. MacMillan wrote a number of other books including "Wrestling with God" () consisting of addresses on the life of Jacob given to the Evangelical Movement of Wales
Psalm 149 in English as "Praise ye the Lord" for unaccompanied double choir in 1949. Philip James set it for choir in 1956. Raymond Wilding-White set the psalm for two sopranos, violin and viola. Hymns paraphrasing Psalm 149 or taking inspiration from the psalm include "I sing the mighty power of God", "Let all the world in every corner sing", "Lord of the Dance", "Praise the Lord, sing Hallelujah", "Songs of praise the angels sang", and "We sing the mighty power of God". Psalm 149 Psalm 149 is the 149th psalm of the Book of Psalms, a hymn as the book's penultimate