"What just happened?" she shouted.
About 10 years ago, Harvey lost her hearing due to a connective tissue disorder that caused her to become deaf.
It's all pretty lovely, I gotta say.
"Basically, I got sick and my nerves deteriorated", Mandy told the judges.
But she loved music - she's been singing since she was four - so she found a way to get back into it.
British police name third suspect in London Bridge attack
The main evidence comes from his appearance in a Channel 4 documentary , The Jihadis Next Door , broadcast previous year . One neighbour, Ken Chigbo, said Butt has asked him about hiring a van hours before the attack took place.
"Mandy, I don't think you're going to need a translator for this", Simon said before pushing his coveted Golden Buzzer, sending Mandy straight through to the live shows.
Mandy is a deaf singer and songwriter who blew the judges away and was lauded with a golden buzzer with an original song - just like Grace. "I've been singing since I was 4", she revealed. She added that she often takes her shoes off while performing because she's able to feel the tempo through vibrations in the floor.
Mandy Harvey tugged at the heartstring of millions of viewers last night on America's Got Talent with her incredible performance and heartbreaking story.
Speaking to Mandy on-stage, he added: 'That was one of the most fantastic things I've ever seen or heard'. "And then you turn up". "But it was your voice, your tone, the song was lovely - congratulations, you are straight through to the live shows".