Ac Eraill has been played on NTS in shows including The NTS Breakfast Show w/ Zakia, featured first on 17 March 2023. Songs played include Tua'r Gorllewin.

Ac Eraill was a Welsh folk group formed in 1972 by Tecwyn Ifan, Cleif Harpwood, Iestyn Garlick, and Phil Edwards.