"BTD (Before the Dawn)" is a song released by the South Korean boy band Infinite.
A Japanese version of the song served as their debut single in Japan.
Before the release of the music video, the teaser had some controversy because of its suggestive violent content.
The group's agency, Woollim Entertainment, stated that its intention was to visualize the inner conflict of the characters in the video, and not to display gratuitous violence.
"BTD (Before the Dawn)" is a Japanese version of the song originally recorded in Korean.