Rod Stewart
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Cover versions: The Sutherland Brothers meet Rod Stewart

BBC Music has launched a poll to find the greatest cover version of all time. But many people do not know that some of the most famous songs in pop history were covers.

Scottish duo The Sutherland Brothers originally released Sailing as the second single from their 1972 album Lifeboat, but it missed the charts. Rod Stewart made it the lead single from his 1975 album Atlantic Crossing, and it went on to spend four weeks at number one in the UK.