DevilDriver, Lamb of God singers on country album 'Outlaws 'Til the End: Vol. 1'
Randy Blythe: "There's not really much more of a visceral way to connect with the planet"
New song arrives with performance video from recording session
"Some of the darkness in metal is cartoon darkness"
Reworking of Hank 3's song will appear on metal act's upcoming country covers LP
DevilDriver launch new interview series ahead of guest-filled country covers LP
Singer was planning to lay down vocals for metal band's rendition, which she heard and loved