A reserved person, Zeng said she rarely talked with others when she first came to the school.

"The environment was totally new to me, both in terms of facilities and people, but gradually I made more friends and became more willing to communicate with others," she said.

School usually starts at 8 am and finishes around 4 pm. Besides music classes, she also takes Chinese, mathematics and massage.

The other three girls in the video are Zeng Lulu, Liu Li and Xu Fang — all music lovers.

Born in 2006, Zeng Lulu enjoys playing drums.

"There is certain distance between each drum, and I need time to memorize the positions of the drums and cymbals," she said. "It is also harder for us to memorize music scores. Sometimes a song can have up to six pages of scores."

Music has brought great changes to the girls' lives and personalities.

"I think I have become more confident about myself and more optimistic, especially when I know that people encourage us on the internet and say we sang well," Zeng Lulu said.

The teacher Zhang has always been concerned about the future employment of her students.

"There are very few employment opportunities for visually impaired students, but I hope the livestreaming industry may provide a chance," Zhang said.

During summer breaks, Zhang and her students sing on livestreaming platforms. At her suggestion, Zeng Xiaomeng opened her own social media account where people can hear her sing.

"Xiaomeng had the problem of crooked teeth, and she didn't plan to have them adjusted, but with the livestreaming, she now is willing to have her teeth straightened," Zhang said.

"I feel that she became happier since she began communicating with people on the internet," Zeng Xiaomeng's mother said. "I haven't thought about a long-term plan for Xiaomeng, but I am happy she is satisfied with the current situation."

Through her social media account, Zeng Xiaomeng hopes she will be able to attract more fans, and both she and Zeng Lulu want to plant their feet in the music sector in the future.