Hair metal is a divisive subgenre ... their acolytes take their sound and aesthetic to staggering commercial heights.

And what a perfect introduction it was, with all the elements that would come to define Tool’s career already in place: a haunting, dark aesthetic, meticulously crafted visuals and an air of mystery ...

Enigmatic alternative metal band Sleep Token have secured a major Official Charts breakthrough, with their five-minute banger ...

"It is a hugely non-ageist genre where you have everything from senior citizens to little kids who like heavy metal music" ...