The official and verified Twitter account of Ozzfest has posted a rare photo of Black Sabbath icon Ozzy Osbourne and Slipknot frontman Corey Taylor.

Ozzfest is the biggest and best North American hard rock and metal festival. Heavy metal and hard rock bands come together every year for this huge music tour. Also, the festival was founded by Ozzy Osbourne and his wife Sharon Osbourne.

In the photo shared by the page, Ozzy Osbourne and Corey Taylor posed before announcing the plans for Ozzfest, which took place in 2016.

Here’s what Ozzfest wrote:

“Ozzy Osbourne & Corey Taylor announcing the plans for #OzzFest 2016”

A fan named @alvaro_meneses_ said this:

“One festival I REALLY FUCKING regret not going to. Big 4 is another one.”

Another fan named @_orocha_ wrote this:

“Time metal machine”

See the Twitter post below.