On


 * "Bring it on, bring it on" — Lea Michele

"On" (stylized in all caps) is a song recorded by South Korean boy band BTS. It was released on 21 February 2020 as the second single from the band's fourth Korean-language album, Map of the Soul: 7, A version featuring Australian singer Sia was also released and features on the digital and streaming version of the album.

Background and release
On January 7, 2020, BTS announced their fourth Korean-language studio album Map of the Soul: 7. The following day, the group shared a "comeback" map revealing a schedule split into four phases, with two singles. The first of which, "Black Swan" was released on 17 January 2020. Exactly a month later, the group released the album's tracklist, revealing "On" as the albums lead single and a remix of the song featuring Sia. According to Big Hit, the group organized the collaboration. "On" and the remix with Sia were made available for Music download and streaming in various locations on February 21, 2020, through Big Hit. The tracklist for BTS' fourth Japanese studio album Map of the Soul: 7 ~The Journey~, was published on May 8, and included a Japanese version of "On". The track was made available digitally simultaneously with the album on 14 July 2020 through Big Hit, Def Jam and Virgin.

Composition
"On" was written by RM, August Rigo, Melanie Fontana, Michel Schulz, Suga, J-Hope, Antonina Armato, Krysta Youngs, Julia Ross and its producer Pdogg. The song is composed in the key of A minor in a tempo 106 beats per minute and runs for 4:06.

Reception
Deb Aderinkomi (Clash) called "On" a "quintessential BTS song".

Promotion
On February 19, it was announced that the band would release a 30-second video teaser of the lead single on TikTok, 12 hours ahead of the official release of the song on February 21. The day after the song's release, a Commentary Film was released showing the work UCLA Herb Alpert School of Music's Bruin Marching Band directors and team members had in the production of some of the songs in the album, and the essence of BTS' message.

The band performed the song at the main concourse of Grand Central Station on The Tonight Show Starring Jimmy Fallon on 24 February 2020, for what has been called "one of the most high-production episodes" of the show. They also appeared in the Carpool Karaoke segment on The Late Late Show with James Corden.

Commercial performance
"On" was a commercial success worldwide. In South Korea, the song debuted at number eleven on the Gaon Digital Chart on the eighth issued week (February 16–22), with less than two days of tracking. The following week, it reached number one; BTS sixth track to do so. The single spent six weeks in the chart's top ten and was the 22nd best-performing song of February, peaking at number four on the Gaon Monthly Chart in March 2020. On Billboard's K-pop Hot 100 the song debuted at no. 41, jumping to number-one the following week, topping it for a total of three weeks. In Malaysia, "On" debuted atop the RIM Charts, while the Sia remix peaked at no. five of the chart.

In the United States, "On" debuted at no. four on Billboard Hot 100, becoming the highest-charting song by a Korean group in the country, selling 86,000 digital downloads in its release week. It dropped to number 68 the following week and left the chart afterwards.

Music video
Two music videos were released for the song, on 21 and 27 February 2020. However, neither of them is based on the remix featuring Sia.

Lyrics

 * -| Original =


 * -| ft. Sia =