Charles Ellicott Commentary 1 Chronicles 16:34

"O give thanks unto Jehovah; for he is good; For his lovingkindness [endureth] for ever." — 1 Chronicles 16:34 (ASV)

O give thanks unto the Lord ...—Several of the later psalms begin with this beautiful liturgic formula. (Psalms 107; Psalms 118; Psalms 136; and compare Jeremiah 33:11.) The ode thus concludes with the thought from which it started (1 Chronicles 16:8).