Music of Wales in the country's national sport of rugby, which in 1905 saw the first singing of a national anthem, Wales's "Hen Wlad Fy Nhadau", at the start of an international sporting encounter. A tradition of brass bands dating from the Victorian era continues, particularly in the South Wales Valleys, with Welsh bands such as the Cory Band being one of the most successful in the world. The 20th century saw many solo singers from Wales become not only national but international stars. Ivor Novello, who was a singer-songwriter during the First World War. Also, opera-singers such as Geraint Evans and later
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