Wales and other official occasions. ""God Save the Queen"", the national anthem of the United Kingdom, is sometimes played alongside "Hen Wlad fy Nhadau" during official events with a royal connection. More than 50 national governing bodies regulate and organise their sports in Wales. Most of those involved in competitive sports select, organise and manage individuals or teams to represent their country at international events or fixtures against other countries. Wales is represented at major world sporting events such as the FIFA World Cup, Rugby World Cup, Rugby League World Cup and the Commonwealth Games. At the Olympic Games, Welsh athletes
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