蒂娜

When grief-stricken Mareta (Anapela Polataivao) takes a substitute teaching role at an elite prep school, she forms a choir to unite the privileged yet disconnected students. As they prepare for an all-school competition, her passion for life is reignited, transforming her students forever in this rousing crowd-pleaser.

《蒂娜》的基础信息更偏电影，简介里的“When grief-stricken Mareta (Anapel...”提供了第一层判断，剩下可以再看主创和年代。