Oasis Chorale 2014 Choir performing "Guide Me, O Thou Great Jehovah" - John Hughes, text William Williams, tr. Peter Williams. This is a piece from "Shout for Joy - A Choral Festival", which culminated the 10th anniversary reunion of Oasis Chorale. The festival was held at Bethany Mennonite Church in Hartville, Ohio on August 11, 2013