Y Diliau has been played on NTS in shows including Questing w/ Zakia, featured first on 30 January 2021. Songs played include Y Gog Lwydlas, Ffair Ynys Hir and Ffair Ynys Hir.

Y Diliau was a Welsh folk trio that recorded between the mid-60s and mid-70s. The trio is best remembered for "Ffair Ynys Hir", their Welsh language version of "Scarborough Fair".