This 67-year-old woman fronts a grindcore band—listen

The Grindmother is a project fronted by one of the coolest 67-year-olds you’ll ever come across. Below, you can hear her on “Any Cost,” which hit the web earlier today.

Read more: Awesome children’s cartoon talks metal, hardcore, grindcore, black metal and much more

Still don’t think this is legit? Well, Ozzy freaking Osbourne tweeted about it. 

What the fuck? https://t.co/EWphagyskD

— Ozzy Osbourne (@OzzyOsbourne) November 3, 2015