Singer (2014)

Ten-year-old Meng nervously prepares for his debut solo singing performance at his school's National Day skit. His part is to sing the rousing finale song but he has one problem: he can't sing. Along the way, his family members try their best to support him in their own little ways. But when it's time for him to take the stage, Meng finally learns what it takes to complete the song.

Unfortunately the movie Singer is not yet available on HBO Max.