Cardiff Arms Park was held on 14 July 1996. Jehovah's Witnesses held their annual conventions at the National Stadium. The National Stadium was known primarily as the venue for massed voices singing such hymns as "Cwm Rhondda", "Calon Lân", "Men of Harlech" and "Hen Wlad Fy Nhadau" ("Land of my Fathers" – the national anthem of Wales). The legendary atmosphere including singing of the crowd was said to be worth at least a try or a goal to the home nation. This tradition of singing has now passed on to the Millennium Stadium. The Arms Park has its own choir, called the Cardiff
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,