What Went Wrong at Mariah Carey's New Year's Eve Performance?

Mariah Carey's team accused Dick Clark Productions of failing to address the problem of a bad earpiece.
3:43 | 01/02/17

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Transcript for What Went Wrong at Mariah Carey's New Year's Eve Performance?
Good way to start the year. To that new year's eve performance getting so much for what went wrong. There you see Mariah Carey. We're learning about what happened when she took the stage here in times square. T.J. Holmes here with all the details. Good morning to you. This is one of those things you couldn't turn aaway from for all the wrong reasons. One of the most successful singers in history appeared to be unable or unwilling to sing. Mariah Carey blames an equipment problem. The production team says there was a problem, it was Mariah Carey. Mariah's new year's eve disaster began just seconds into her hit "Emotions." ??? ??? All right. We didn't have a check for this song, so we'll just say, it went to number one and that's what it is. Reporter: While her vocals played in the background, the pop princess strolled up and down the stage not singing as music continued and as 11 million people watched at home. We didn't have a sound check but it's new year's, baby. It's okay, you guys. All right, just for laughs, the lift. I want a holiday, too. Can I not have one? I'm trying to be a good sport here. ??? ??? that was -- amazing. Reporter: Her next tune "We belong together" seemed to get off to a better start, but then as the vocals played, she put the mic down. ??? ??? finally after six minutes, Mariah walked off. Yes! And -- it just don't get any better. Reporter: But the fallout was just beginning. Mariah Carey's people accused Dick Clark productions which produces ABC's new year's rockin' eve of sabotaging her performance. Her representative says her ear piece wasn't working and the pop star was set up to fail. Dick Clark products responded, as the premiere producer of the live television events for nearly 50 years, we pride ourselves on our reputation. To suggest we would intentionally compromise the success of any artist is defamatory, outrageous and absurd. Mariah seemed to be taking it in stride. She posted this of herself shrugging and saying blank happens. Here's to making more headlines in 2017. We might never know whose fault it was for the technical issue but to the audience who doesn't understand, I was listening to you guys, the audience can hear it but without this I'm blind. This is what happens to a singer. If she can't hear her music, she doesn't know what pitch to be in. She was blind. Even though the music is blaring -- She can hear the crowd. There's crowd noise and feedback with those huge speakers and she doesn't know where she is in the song. Kudos to her dancers. They kept going. And she did make a lot of headlines. No such thing as bad publicity, right? She has a show, y'all know. Don't call it a reality show. She checked Ryan Seacrest. You checked me real fast. Happy 2017, robin. Just like last year.

This transcript has been automatically generated and may not be 100% accurate.

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