An audition stage took place between 6 – 27 November 2016 , to determine which acts would proceed to the next round of qualification . The semi-finals which took place between 17 – 19 February 2017 , were divided into five categories ( male voice ; female voice ; mixed ; youth ; and children 's choirs ) with the winner from each of the competing categories advancing to the grand final on 9 April 2017 . Côr Merched Sir Gâr won the final of Côr Cymru 2017 , and will represent at the Eurovision Choir of the Year 2017
Eurovision Choir of the Year 2017
Eurovision Choir of the Year 2017
Wales in the Eurovision Choir of the Year 2017