Lars Ulrich stopped by The Late Late Show with James Corden last night to talk about their performance with Lady Gaga at The Grammys, and the technical difficulties that came with it. As you’ll hear in the interview, the band wasn’t sure what was going on during the performance, but the show must always go on. Looking back, Lars feels that it still made for good television, but it was obvious that James Hetfield felt differently. According to Lars, he hasn’t seen the Metallica front man that livid after a set in over twenty years, and honestly, who can blame him?

Enjoy the full chat with Lars Ulrich and James Corden below!