US rapper Eminem is suing New Zealandās ruling National Party for breach of copyright, claiming the song they used during their 2014 election campaign bears a striking resemblance to his 2002 hit Lose Yourself. The award-winning hit, which featured in the movie 8 Mile , was played for a judge and group of lawyers in a Wellington courtroom on Monday, as the legal battle between the rapper and the National Party got underway. Eminemās publisher, Eight-Mile Style, is suing the party for alleged breach of copyright. Counsel for the plaintiff Gary Williams told the High Court that the academy award winning hit is āwithout doubt the jewel in the crown of Eminemās musical work,ā according to the New Zealand Herald. āThe licensing of the song has been extremely carefully controlled. Despite many requests, it has only rarely been licensed for advertising purposes. When licensed, it can command in the millions of dollars. Thatās how valuable it is. In short, Lo...