There is a tradition that the tune was composed by David Owen (1712–1741), a harpist and composer who lived near Porthmadog in Caernarfonshire. He was known locally as Dafydd y Garreg Wen ().
There is a tradition that the tune was composed by David Owen (1712–1741), a harpist and composer who lived near Porthmadog in Caernarfonshire. He was known locally as Dafydd y Garreg Wen ().