After Metallica’s performance, Osbourne, 76, came out on stage and performed a five-song set by himself, before he was joined by his former bandmates Tony Iommi, Bill Ward and Geezer Butler for four of the group’s songs.

As one of the world’s most influential bands prepare to bid farewell with a huge show at Villa Park in Birmingham, Roisin O’Connor speaks to just a few of the musicians whose lives were changed by the