James Hetfield may have flipped his noodle following his performance with Lady Gaga – where nobody figured it’d be a good idea to turn James Hetfield’s microphone on – but Lars Ulrich said it got much worse backstage.

Appearing on The Late Late Show with James Corden Tuesday, Ulrich said:

“I haven’t seen him like that in 20 years. I mean he was livid. I mean, he’s aged really well and he’s a pretty chill guy, but the first five or 10 minutes in that dressing room was not a lot of fun.”

“[…] We fought through [the performance], and, you know, with the fire and Gaga in my lap for a minute at one point, it was just ‘Keep going, keep going, keep going,'” he explained. “So we just fought through it, and a lot of people said it at least made for great television.”

Speaking to Rolling Stone earlier this week, Ulrich sounded relatively nonchalant about the situation – which shouldn’t come as a surprise to anyone who’s seen Some Kind Of Monster.

“There was a slight technical snafu, but that’s not really something you can do much about,” he said. “You just learn to live with that side of it. It happened to Adele last year; I guess this year it was our turn.”

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