Densen Uta (伝染歌, Contagious Song) is a 2007 Japanese satiric Japanese horror film produced by Shochiku Corporation and directed by Masato Harada.

Anzu Natsuno (Yuko Oshima), a student at an all-girl high school, is walking in the hallway when she hears a mysterious melody coming from the auditorium.

A few days later, Anzu is approached by magazine columnist Riku Nagase (Ryuhei Matsuda), who explains that he's investigating an urban legend of Densen Uta, or the infectious song, that turns whoever sings the song suicidal.

Riku convinces Anzu and her friends to sing the song to see if there's any truth to the urban legend.

Over next few days the girls, one by one, kill themselves, leaving Anzu to fight for her life.