In the videos that have surfaced, this young Chinese musician is seen playing the trumpet during live performances, which led to her newfound fame. She has been identified as Gao Yifei.

Eighteen-year-old Sincere Ellison and his 15-year-old brother, Carson Bowman, were on a mission to bring joy to people’s hearts ... minutes and I was just playing everything.

But I heard you play the solo, and your trumpet sound won me over. (SOUNDBITE OF MUSIC) M GREEN: I was very shy. I'd never had a steady girlfriend before. I might have just turned 20. And we were ...