The album’s cover shows McCartney grappling with a ram ... mainstream via singles Livin’ on a Prayer and You Give Love a Bad Name. It sold by the million, belying its bargain basement sleeve.

"Back in the '60s I did a few classical album covers but I don't even have the copies of them because they were so bad," laughed Hurn. "The request came through my agent and when I was asked if it ...