Hen Wlad Fy Nhadau sung before a game commenced in any sport. The Welsh national rugby team were playing host to the first touring New Zealand team, who to that point were unbeaten. After Wales won the Triple Crown in the 1905 Home Nations Championship the match was dubbed the 'Game of the Century' by the press. The New Zealand team started every match with the Haka, and Welsh Rugby Union administrator Tom Williams, suggested that Wales player Teddy Morgan lead the crowd in the singing of the anthem as a response. After Morgan began singing, the crowd joined in, and Wales became the
Côr Meibion Pontypridd Gwilym T Jones was appointed conductor and Miss Agnes Wilson accompanist. The first concert was performed in June 1950. The following year the choir started entering competitions, and were awarded first prize at the Llanharan "Semi National" Eisteddfod, and were again placed first two weeks later at Glynneath. The choir were involved in celebrations of the centenary of the composition of Hen Wlad Fy Nhadau and the bicentenary of the Old Bridge, Pontypridd. Stuart Burrows was the guest artiste at a concert in 1959, and in the same year Harry Secombe and Geraint Evans appeared together for the first time,