A never-before-released track by the late David Bowie is set to make up to £15,000 at auction at the Wessex Auction Rooms in Chippenham on Friday. The demo, Run Piper Run, was recorded around 1967 when the music legend released his debut self-titled album, however it didn't make the final track-list and was never made public. Now David's devoted fans have the opportunity to get their hands on the seven-inch vinyl track and listen to it in it's entirety, in the forthcoming bidding war. Legacy: A never-before-released track from over 50 years ago, by the late David Bowie, is set to make up to £15,000 at auction at the Wessex Auction Rooms in Chippenham on Friday