America's Got Talent Semifinals: Yoli Mayor sings "Say You Won't Let Go"

Here's the judges comment about her performance:

"You are back. What a beautiful performance. What a beautiful song. It was a perfect song for you," said Simon.

"Well done. You stripped it back to your root.You nailed that performance 100 percent," said Mel B.

"It brings tears to my eyes. It was very emotional," said Heidi.

"I think your talent is pure and evident. You are a wonderful young lady,: said Howie. Results of the public voting will be revealed on Wednesday, September 6.