Metallica’s duet with crowd-surfing Lady Gaga goes awry when James Hetfield’s mic fails… as the Grammys are plagued with technical difficulties

On live television, anything can happen.

And that certainly proved the case at Sunday night’s Grammys, as Lady Gaga and Metallica’s eagerly awaited duet was marred by a dead mic on a night beset by technical difficulties.

Lead singer James Hetfield’s lyrics could not be heard at all for the start of the set, with only Lady Gaga‘s portion of Moth Into Flame audible.

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Metallica’s Grammys duet with crowd-surfing Lady Gaga went awry on Sunday night as James Hetfield’s microphone was accidentally turned off

Rocking out: It was clear Gaga was loving every moment of the spirited performance

After singing a few unamplified lines, Hetfield moved to share Gaga’s microphone, solving the issue.

Despite the rusty start Metallica put on a spirited performance, with a crowd-surfing Gaga throwing herself into the show.

Dressed in leather shorts covered in metal chains, worn over a fishnet bodysuit, she certainly looked the part.

Going Gaga! Despite the rusty start Metallica put on a spirited performance, with a crowd-surfing Gaga throwing herself into the show

Here she goes: Gaga dived around the stage, even stumbling at times as she hopped between the different levels

Gaga dived around the stage, even stumbling at times as she hopped between the different levels.

But despite the thrilling show, it was clear the sound failure annoyed the band, with Hetfield even throwing his guitar onto the stage in a fury as their performance came to an end.

The sound failure was just one of a number of issues to mar the star-studded Grammys.

In a dramatic moment pop superstar Adele restarted her set, after accidentally swearing on live TV during a George Michael tribute.

Thrown off by her mistake the tearful singer called for a redo.

Lady Gaga flashes flesh & arrives with Metallica to Grammys

Going Gaga! Dressed in leather shorts covered in metal chains, worn over a fishnet bodysuit, she certainly looked the part

Rock chick: She previously revealed the idea came about after she got chatting to Metallica’s Lars Ulrich at Bradley Cooper’s house party

As for Metallica’s duet, Gaga previously revealed the idea came about after she got chatting to the band’s Lars Ulrich at Bradley Cooper’s house party.

The Metallica band mates previously teased they had something special in the pipeline for their slot at the prestigious bash.

They said: ‘We promised you something unique for Grammy night and we are absolutely thrilled to confirm that Lady Gaga will be joining us on stage.

Metallica fan: Gaga wore an old band shirt for her role as chief stage diver

Despite the thrilling show, it was clear the sound failure annoyed the band, with Hetfield even throwing his guitar onto the stage in a fury as their performance came to an end

‘It was a total honour to be nominated, but now this?’

The band was nominated for Best Rock Song for Hardwired from their latest album Hardwired…To Self Destruct.

Gaga isn’t among the nominees this year because her latest record, Joanne, isn’t eligible as it wasn’t released between October 1, 2015 and September 30, 2016.