Tuesday's special 'Live Acts Revealed' episode will determine which contestants secure one of the coveted spots in the Top 44 heading into the live shows. Despite her visual impairment, Hardwig has pursued music throughout her life, telling the judges that she refused to let her diagnosis define her ambitions. From Naples To NashvilleAlthough millions of viewers were introduced to Hardwig through America's Got Talent, she had already established herself in the music industry before appearing on the show. Her experience performing in front of large audiences helped prepare her for the national stage, though America's Got Talent marks her highest-profile television appearance to date. America's Got Talent airs Tuesdays at 8 p.m.