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 Thomas Llewelyn of Aberdare won a competition for an unpublished collection of Welsh airs with a collection that included "Glan Rhondda".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
Hen Wlad Fy Nhadau first nation to sing a national anthem at the start of a sporting event. In 1978 as part of their album, also called "Hen Wlad Fy Nhadau", Geraint Jarman a'r Cynganeddwyr recorded a version of the Welsh national anthem using electric guitars, inspired by Jimi Hendrix's rendition of the "Star-Spangled Banner". Jarman's version, played by Welsh guitarist Tich Gwilym is one of the most famous modern versions of the song. Tradition has established "Hen Wlad Fy Nhadau" as an unofficial Welsh anthem since 1905, when it was first sung by fans at rugby games, although the official anthem at the