Prince was an icon. A man who defined an era of music and changed the shape of popular culture forever. There is no doubt that he was one of the most talented and influential artists of all time, and also one of the most mysterious. On 21st April 2016 the world lost its Prince; it was the day the music died. From his traumatic childhood and demonic pursuit of music as a means of escape, to his rise to superstardom, professional rivalries and marriages shrouded in tragedy, music writer Mick Wall explores the historical, cultural and personal backdrop that gave rise to an artist the likes of which the world has never seen - and never will again.