Probot

Probot was a heavy metal side project of former Nirvana drummer and Foo Fighters frontman Dave Grohl. Described by Grohl as "a death metal Supernatural", the album mixes instrumentals recorded by Grohl himself with various metal singers whom the musician admired. The album was released in February 2004 by Southern Lord Records. It featured one single entitled "Centuries of Sin"/"The Emerald Law".