"They taught me just how powerful one song can be."

American Music therapist Andy Tubman has returned to China after seven years. His music has quietly become a midnight remedy for countless people in China.

In an interview with CGTN reporter Ali, he shared a touching discovery: the melodies he wrote in America are now healing strangers in China during their darkest, loneliest nights.

When nothing else works, music does.

What's your go-to midnight song?