His vocals gave rise to the entire genre of heavy metal, but his Villa Park show reminded us Ozzy’s voice was never a grunt or growl – it was a soul’s wail

He pioneered heavy metal, became an unlikely reality TV star and performed a colossal final concert two weeks before his death.

Having escaped a life of drudgery in Birmingham, Ozzy became the rare rock frontman you could relate to – and then, against the odds, a national treasure