Lo, what a pleasing sight. This in a few collections is a rewritten form in S. M. of Watts's C. M. rendering of Ps. cxxxiii., from his Hymns, &c, 1707, and his Psalms of David, 1719, where it begins "Lo, what an entertaining sight" (p. 1240, i. 304.).
--John Julian, Dictionary of Hymnology, New Supplement (1907)