Goodbye Silence(サラバ静寂)

Set at a time where entertainment like music, movies and novels are all banned. Mizuto and Tokio work at a factory making screws. Their lives are monotonous. One day, they discover a place where music has been preserved and they are attracted to music. They learn of “Sanoba Noizu” where music is performed secretly and dream of going there. They meet Hikari whose father was killed for having music.