"Fire" is the debut single by South Koreangirl group2NE1. Released in May 2009, the song became a hit in all Korean charts. The song gained an instant huge success in South Korea and topped all on- and offline charts.
On April 30, 2009, Yang Hyun-suk of YG Entertainment revealed that 2NE1's debut song would be a hip-hop/reggae song, to be released to digital outlets on May 6, 2009. The song, titled "Fire", was written and produced by 1TYM's Teddy Park. Short clips of the song were released on their official website at the beginning of May.
"Fire" was released as planned on May 6, with two versions of the music video released the same day — a "space" version and a "street" version. The videos received over one million views in a day; the viewcount then quickly increased to two million. The video was also profiled on Perez Hilton's blog.
The group's first performance of the song was on May 17, 2009, on SBS's Inkigayo. beginning the group's activities. Their first performance was also included in Perez Hilton's blog once again, showing his interest towards the group.
Both the song and the group have been very popular online, with the song topping M.Net's online chart and the group's name becoming a top search term. The group was also rewarded with three Cyworld Digital Music Awards, with both "Lollipop" and "Fire" winning "Song of the Month" awards and the group winning "Rookie of the Month" for May 2009. They also received two "Mutizen" awards from SBS's Inkigayo music program.
Both versions of the music video were filmed in secret during April 2009. The music videos were released May 6, 2009, both being directed by Seo Hyun-seung. Both versions were uploaded on YG's official YouTube account on August 17, 2009. The space version has since accumulated over 29 million views. A behind the scenes video was released May 10, 2009.
The "Space" version of the music video showcases 2NE1 performing the song in Space. During the intro, CL is also seen wearing Beats by Dr. Dre headphones. The "Street" version of the music video features 2NE1 performing "Fire" on an abandoned street at night. The video also features a cameo appearance by G-Dragon of Big Bang.