The Anthem of the Heart is an anime film that premiered in summer 2015, produced by A-1 Pictures.

About the production: the story comes from an original script, the film runs about 119 minutes and its current status is "finished".

Its main genres are drama, music, psychological, romance and slice of life, with themes such as Rehabilitation, School, Coming of Age and Musical Theater.

On AniList, The Anthem of the Heart has an average score of 76%, a very good score, and appears on 99,182 users' lists.

Jun is a girl whose words have been sealed away. She was once a very happy girl, but because of a certain thing she said when she was very young, her family was torn apart. One day, the egg fairy appeared in front of her and sealed away her ability to talk in order to stop her from hurting anybody else. Since this traumatic experience, Jun lives in the shadows away from the limelight. But, one day, she is nominated to become an executive member of the "community outreach council." On top of that, Jun is also appointed to play the main lead in their musical... (Source: Official website)

Official synopsis from AniList.