'AGT' judges break show's rules, hit unanimous Golden Buzzer for this ode to Dolly Parton - USA TODAY

Trio Chapel Hart gave a vibrant audition that inspired the judges and host Terry Crews to do something only reserved for the most exceptional acts.

It's often said on "America's Got Talent" that two or three minutes can change your life. That rang true for singing trio Chapel Hart, whose vibrant audition on Tuesday's episode inspired judges Sim… [+5549 chars]

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