My Voice, My Life

The same nonprofit produced the musical and the documentary, so a self-congratulatory air permeates the movie.

There are few feelings as glorious as spreading your wings onstage for the first time. Ruby Yang captures that rare electricity in her documentary "My Voice, My Life," about Hong Kong teenagers who put on a show.

Damn if a few of the kids don't milk your tear ducts at the end.

Voice gives us reason to suspect there is much more to come from its subjects.