Black and white film inspired by Albert Camus' 'The Stranger'
The band's Gemma Thompson came up with the concept
The singer says the UK has the worst reputation amongst touring artists
The group will compete against David Bowie, Arctic Monkeys and Jake Bugg at the London ceremony on October 30
Track is taken from band's Mercury Prize-nominated debut album 'Silence Yourself'
Band will play six shows starting in Brighton on November 5
London post-punk quartet perform 'She Will' and 'City's Full'
The LP is set for release on May 6