Dadansoddiad y DJ Huw Stephens o uchafbwyntiau gyrfaoedd artistiaid recordio pennaf Cymru, sy'n canu yn Saesneg ac yn Gymraeg - ffefrynnau megis Tom Jones, Shirley Bassey, Dafydd Iwan, Max Boyce, Manic Street Preachers, Super Furry Animals, Adwaith a Mace the Great.
DJ Huw Stephens analyses the highlights of the careers of the most important recording artists that Wales has ever produced, singing in English or Welsh - favourites such as Tom Jones, Shirley Bassey, Dafydd Iwan, Max Boyce, Manic Street Preachers, Super Furry Animals, Adwaith and Kelly Lee Owens.