WATCH: Foo Fighters Cover Black Sabbath's War Pigs
See the band's performance on David Letterman here!
Foo Fighters began their five night stint on The Late Show with David Letterman in the States last night, by covering Black Sabbath.
Each night, the band will be performing alongside one of the special guests that feature on their new album 'Sonic Highways'. Last night saw country star Zac Brown joining the foos for a rendition of War Pigs.
You can watch the video of the performance below and let us know what you think in the comments!
Foo Fighters will release 'Sonic Highways' on November 10.