Hen Wlad Fy Nhadau festival of 1858. Thomas Llewelyn of Aberdare won a competition for an unpublished collection of Welsh airs with a collection that included "Glan Rhondda". The adjudicator of the competition, "Owain Alaw" (John Owen, 1821–83) asked for permission to include "Glan Rhondda" in his publication, "Gems of Welsh melody" (1860–64). This volume gave "Glan Rhondda" its more famous title, "Hen wlad fy nhadau", and was sold in large quantities and ensured the popularity of the anthem across the whole of Wales. At the Bangor Eisteddfod of 1874 "Hen Wlad fy Nhadau" gained further popularity when it was sung by Robert Rees
Katherine Jenkins she sang at Westminster Cathedral honouring Pope John Paul II's silver jubilee in October 2003 and then supporting Aled Jones on tour. At the Rugby World Cup in 2003 she made her Sydney Opera House debut as a guest of fellow Welshman, Max Boyce and, in August 2004, her first USA appearance, supporting Hayley Westenra at Joe's Pub in New York City. Jenkins was the first person to perform the Home Nations anthem "The Power of Four" and began to appear regularly to sing the Welsh national anthem "Hen Wlad Fy Nhadau" at Welsh international rugby union matches, singing with