50-Year-Old Supermarket Cashier's Voice You Won't Forget

Mary Byrne is a 50-year-old supermarket cashier who has a golden voice. Her coworkers may give her a hard time about all the singing she does but they truly stood behind her when she decided to audition. The judges didn't know what to expect when Mary took the stage, but her version of 'I Who Have Nothing' truly wowed them.

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