Music fans have accused Eminem of miming during his headline set at T In The Park on Saturday (July 10).
The rapper played a career-spanning 29 song set at the event in Scotland, which marked his first full UK appearance in five years.
But many festival-goers have contacted Gigwise claiming that Eminem lip-synced along to a backing track.
Jack said: “His miming was awful, at one point he tried to say something and his mic was off. Disgusted!”
Another fan, Nelehgirl, said her brother attended the festival and was also left disappointed by the rapper's performance.
“He mimed at a supposed live festival and he dint even know he was in Balado - he seemed to think he was in Edinburgh,” she said.
But other fans have come to Eminem's defence, and insisted that he did perform live.
Someone called Yur Dah said: “Eminem doesn't mime he is just one of the very few artist who actually sounds live like he does on CD.”
And Wez added: “I was there, Eminem didnt mime. He just had his songs playin with him rappin over the top of them as he does most of the time he performs.”
What did you think of Eminem's performance? Post your thoughts by filling out the comment form below, or get in touch via Twitter or Facebook.
You can see photos from each day of T In The Park on Gigwise: Day One With Muse, Editors And Black Eyed Peas
Day Two With Eminem, Julian Casablancas And The Prodigy
Day Three With Kasabian, Jay-Z And Babyshambles
Eminem and more at T In the Park
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- he did do a fair bit of lip synching. anyone who says otherwise is wrong.

- I was there and it wasnt really lip synching, when he sang in to his microphone his voice always came out. He did most of it on his own but at the end of some of the lines the track played so he could catch his breath. But eminem sounds so good live its hard to tell the difference. Think about eminems music and verses, no one could do an hour and a half of that without a bit of assistance, you just wouldnt have the breath. Overall the performance was amazing!!

- Performace was gr8 and he didnt lip sync. He did seem to have a few issues with his Mic, at the start his was quiter than the hype mans but that soon got sorted. I agree that he is just so good live that you cant tell the difference. Sometimes a track did play but it was not supposed to be hidden. And hes not gonna address Balado, to anyone who isn't from Balado T in the park is held in Edinburgh, lol.
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- Give the guy a break! He was great.Prob wont come back after a few insults from certain people..

- he came on 40 minutes late, consistently referred to us as "edinburgh" and a few times his mic was by his side yet he appeared to be singing. he was still good, glad i seen him, but he coulda been a million times better.
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