It's easy to run around, thrashing your limbs to Metallica's new song "Hardwired," so much so that when the band was laying down the swift-paced track in the studio, it song almost ran away from them.
In a new behind-the-scenes video, fans can watch the recording session as they admit they get a little too fast on the in-your-face jam. The clip also shows them laying down individual tracks and explaining the lyrics.