This is just plain scary - this video shows Britney Spears performing at a Las Vegas concert with just her voice track - none of the backing tracks or vocal tracks she’s lip syncing too. View it all the way through, if you can bear it - and you’ll understand why they invented Auto-Tune.

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	www.synthtopia.com/content/2008/08/22/britney-spears-is-why-they-invented-auto-tune/