VIDEO: Country music star Nathan Carter had a music duel on the London underground today

Just your standard day on the London underground we guess...

Nathan Carter has become a common name in households around Ireland as the country music star continues to go from strength to strength after the success of his single 'Wagonwheel'. Carter, who hails from Liverpool, was playing at Trafalgar Square as London celebrated St Patrick's Day today. While he and some of his band were on the tube in London, a man was busking in his carriage with an accordion, and inevitably this lead to an accordion duel (we're not 100% sure if this is a real thing or not). The pair played and wowed the crowd before receiving a standing ovation for their efforts...