Mercury Prize increase of their album "The Seldom Seen Kid" after winning the Prize in 2008. In their winner's speech, Elbow's frontman Guy Garvey said that winning the Mercury Prize was 'Quite literally the best thing that has ever happened to us'. Similarly, sales of The xx's winning album rose by 450% the day after they won the 2010 Mercury Prize and 2013 winner James Blake saw a 2,500% sales increase on Amazon after he was announced as the winner of the 2013 Mercury Prize. 2011 winner PJ Harvey's album "Let England Shake" jumped from number 181 to 24 in the UK
Mercury Prize States. In 2006, Isobel Campbell's collaboration with Mark Lanegan, "Ballad of the Broken Seas", was included in the shortlist, despite Lanegan being American, as the album was eligible due to Campbell's British citizenship, while Guillemots, whose album was also shortlisted in 2006, contained band members from Brazil and Canada, although the majority were from the UK. Current eligibility criteria state that all albums must be available to buy as a digital release in the UK. In September 2013, My Bloody Valentine vocalist and guitarist Kevin Shields expressed concerns about the award in an interview with "The Guardian", accusing the Mercury