Foo Fighters frontman Dave Grohl is teaming up with Anthrax’s Scott Ian and Charlie Benante for a cover of the Bad Brains’ 1982 classic “The Regulator.”

The recording, which was laid down late last year at Grohl’s Studio 606 in just two live takes, will be made available under G.B.I. (Grohl, Benante, Ian) banner for Record Store Day on April 20.

The seven-inch single comes complete with cover art by Benante.

Proceeds from G.B.I.’s rendition of “The Regulator” will benefit Bad Brains singer Paul “H.R.” Hudson, who has been suffering from an excruciating rare head affliction known as SUNCT headaches for the past decade.