Transcript for Mariah Carey's New Year's Performance Sparks Many Questions
And the queen of pop is at the center of what became the final viral story of 2016. Mariah Carey's performance sparking controversy and now a war of words. We have more on this meltdown of the year. ??? Should auld aquicquaintance be forgot ??? Reporter: Minutes before midnight, a diva disaster. 11 million people watching it live here on ABC. We don't have a soundcheck for this, baby, but that's okay. Get these monitors on, please. Reporter: Mariah Carey's high notes crystal clear -- on tape. I'm trying to be a good sport here. Reporter: But on stage, she was just going through the motions. ??? We belong together ??? Reporter: The pop star, fresh off a concert tour and a Christmas star, known to fumble before, blaming this new years karaoke fail on an earpiece she says wasn't working, noting that beforehand she couldn't hear Ryan Seacrest. Her representative said Dick Clark productions "Set her up to fail," telling ABC news "Mariah rehearsed at 3 P.M. With no sound issues." To suggest we would ever intentionally compromise the success of any artist is defamatory, outrageous and frankly absurd. "2016's last victim" was one of the more sympathetic reviews on Twitter. "I tried to sing along to Mariah Carey, but even Mariah Carey can't sing along to Mariah Carey." True enough. Last night, fans caught in the lip sync cam, at the Indiana Pacers game did about as well as the diva herself new year's eve. David Wright ABC news, New York.
This transcript has been automatically generated and may not be 100% accurate.