In the first of the new Noson Lawen series, broadcaster Dei Tomos presents an evening of memorable performances from the brand-new Bryn Terfel Theatre in Bangor. Renowned international tenor Rhys Meirion shares centre stage with one of the oldest choirs in Wales, Côr Meibion y Penrhyn from Bethesda, and instrumental Blue Riband winner at this year's National Eisteddfod, Gwyn Owen.