Dafydd Iwan ac Ar Log is the pairing of Welsh folk singer (and politician) Dafydd Iwan and Welsh folk band Ar Log. Their 1981 recording of "Yma O Hyd" topped the iTunes chart in early 2020 when members of Welsh independence campaign group YesCymru deciding to all buy it/stream it. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.