Appears in 750 hymnals Composer and/or Arranger: Dr. Lowell MasonTune Key: E MajorIncipit: 13556 53171 43321 Used With Text: O Greenland oer, fynyddig (From Greenland's icy mountains)
Appears in 175 hymnals Composer and/or Arranger: Charles H. PurdayTune Key: G MajorIncipit: 33343 32123 12713 Used With Text: Oleuni mwyn, trwy dew gysgodau'r nef (Lead, Kindly Light, amid the encircling gloom)