As you can see from the photo above, Randy Blythe has been a fan of North Carolina sludgers Sourvein for quite a while. So, when they asked him to contribute vocals to their new album, he was all about it.

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Blythe is a busy man. He just finished his memoir, he's prepping for a photo exhibition and working on new material for Lamb of God. I guess he had a few hours free because he decided to help these dudes out too.

Blythe made the announcement, as he makes most announcements, via his Instagram:

It's awesome that Blythe still remains a fan after all these years in the business. Him getting excited about Mike Reed tracking his vocals is getting me excited.

Aquatic Occult comes out later this year!