Mariah Carey Alleged Isolated Vocals Track Surfaces High Note Struggle


A video appearing to be the isolated vocals from Mariah Carey's NBC performance Wednesday night has found its way online ... and she struggled.

The video was posted on a site called The Concourse and it seems authentic. It matches the version that aired on TV with full accompaniment.

Mariah seems fine during the meat and potatoes portion of "All I Want for Christmas is You"  ... but she has difficulty when she exercises her upper octave range.  

It's interesting for sure.

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