O Thou to Whose All-Searching Sight by N. L. von Zinzendorf, 1721 BERA—John E. Gould GRACE CHURCH—Ignace J. Pleyel (arr. William Gardiner) KEDRON—Pilsbury, United States Sacred Harmony, 1799 GALILEE—Richard Langdon ROCKINGHAM—Lowell Mason O Thou to Whose All-Searching Sight 1 O Thou to whose all-searching sight The darkness shineth as the light, Search, prove my heart; it longs for Thee; O burst these bonds, and set it free! 2 Wash out its stains, refine its dross, Nail my affections to the