"Not Today" is a song recorded by South Korean boy band BTS for their 2017 album You Never Walk Alone, a repackage of their second Korean-language studio album, Wings (2016). The song was written by "Hitman" Bang, RM, Supreme Boi, June, and Pdogg, with the latter of the five also handling production. It was released on February 20, 2017, as the album's second single by Big Hit Entertainment. A Japanese version of the song was recorded and issued on May 10, 2017, through Universal Music Japan, as a B-side of the single album that included tracks "Blood Sweat & Tears" (2016) and "Spring Day" (2017), both also in Japanese. It was subsequently included on the band's third Japanese-language studio album, Face Yourself (2018). "Not Today" is a hip hop and moombahton song which relies on synth-he