A 7-year-old piano prodigy's inspiring story

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Avett Maness's musical talent has made him a YouTube star. The 7-year-old, who is blind in one eye and visually impaired in the other, started to play the piano when he was just 11 months old. Watch more on this story tonight on NBC Nightly News at 6:30 ET / 5:30 CT on NBC (check your local listings).