Question: What song was recorded by a group that debuted in 2012 with twelve members for their fourth studio album "The War"? 
Context: 2.0 is the fourth studio album by American pop group 98 Degrees.  The album was released on May 7, 2013 through eOne Music.  It is their first studio album in thirteen years following "Revelation" (2000), and their first released through an independent record label.  "2.0" debuted at number 65 on the "Billboard" 200, becoming the group's lowest-charting album since their 1997 debut album, "98 Degrees" which debuted at number 145. American country artist Trisha Yearwood has released twelve studio albums, seven compilation albums, one additional album, forty one music videos, fifty-eight singles and has appeared on twenty eight albums.  Yearwood's self-titled debut album was released in 1991, peaking at number two on the "Billboard" Top Country Albums chart and number thirty one on the Billboard 200.  It became the first debut female country album to sell one million copies, eventually certifying double platinum by the Recording Industry Association of America. " She's in Love with the Boy" became the first female debut single since 1964 to top the "Billboard" Hot Country Singles chart.  The album would spawn an additional three singles, including "The Woman Before Me".  Her second studio album was the critically acclaimed "Hearts in Armor" (1992).  It spawned the top five country hits "Wrong Side of Memphis" and "Walkaway Joe".  Her third studio record "The Song Remembers When" (1993) enjoyed similar success while the lead single reached number two on the Billboard country chart.  A holiday album appeared before her platinum-selling fourth studio album "Thinkin' About You" (1995).  Reaching the third position of the country albums chart and the top thirty of the Billboard 200, its first two singles topped the Hot Country Singles chart.  Her sixth studio album "Everybody Knows" (1996) spawned Yearwood's fourth number one single, "Believe Me Baby (I Lied)". "We'll Be Coming Back" is a song by Scottish record producer Calvin Harris, featuring English singer Example.  The song was released on 27 July 2012 as the fourth single from Harris' third studio album, "18 Months" (2012).  The song spent two weeks at number two (held off by Wiley's "Heatwave") on the UK Singles Chart, becoming Harris' fourth consecutive number-two single in the United Kingdom.  In Ireland, the song debuted at number one, becoming Example's first number-one single and Harris' second (first as a lead artist) in the country.  It also featured as the final track on Example's fourth studio album, "The Evolution of Man" (2012). Nicolas Jean-Pierre Dresti (born 5 March 1975), better known by his stage name Space Cowboy, is a French-British singer-songwriter, DJ, and producer.  Born in France and raised in England, Dresti first recorded in 1992 under the name of Vibes (2), and recorded two tracks.  He then changed his stage name to Nicky Fabulous and produced a four track extended play, "Pussy Galore" in 1995.  He has recorded under various pseudonyms including: DJ Supreme, Kings of Rhythm, Loop Da Loop, and DJ Chrome.  In 2002, Dresti changed his stage name to Space Cowboy and did a cover of Prince's song, "I Would Die 4 U."  In 2003, Space Cowboy debuted his first studio album "Across the Sky".  On 22 June 2005, he released his second full-length album "Big City Nights" and his third album, "Digital Rock", the next year. " Digital Rock Star", a re-release of "Digital Rock", debuted as his fourth studio album on 20 October 2009. "Wolf" (Korean: 늑대와 미녀 (Wolf) , 'Wolf and the Beauty (Wolf)' ; ) is a song recorded by South Korean boy band EXO for their first studio album "XOXO".  It was released in Korean and Chinese by S.M. Entertainment on May 30, 2013.  The song is the first EXO song that was recorded by all twelve members. The discography of the South Korean-Chinese boy band Exo consists of four studio albums, five extended plays, and twenty one singles. Exo was formed by the Korean entertainment company S.M. Entertainment in 2011, and formerly consisted of twelve members separated into two sub-groups, Exo-K and Exo-M, releasing the same music simultaneously in both Korean and Mandarin in South Korea and China, respectively.  The group's first release, the extended play "Mama", was released in April 2012.  The album topped Korean music charts on its release. On February 11, 2014, it was confirmed that the album's production team consisted of producers include Stu Bangas, C-Lance, Leaf Dog, Panik and including Army of the Pharaohs' own Apathy amongst others, including new faces that hadn't been producing for the group beforehand.  In promotion for "In Death Reborn", Vinnie Paz released "The Flawless Victory" mixtape on March 2, 2014.  Reef the Lost Cauze released a collaboration album titled "Fast Way" alongside producer Emyd on March 9, 2014.  Member Doap Nixon only appeared on the song "7th Ghost" but spoke out saying, how he was only featured on one song because he had a lot of personal stuff going on and stated that there will be more of him on the LP that is due to drop in November.  King Syze released his fourth studio album one month before the album release on March 25 titled "Union Terminology".  Apathy pushed back the release date of "Connecticut Casual" from April to June in favour of "In Death Reborn".  A week before the release of "In Death Reborn", Zilla announced he was working on his fourth studio album titled "Martyr Musick" set to be released sometime June 2014.  The group released their second album of the year "Heavy Lies the Crown" on 21 October 2014.  Six months after In Death Reborn. Exo (Korean: 엑소 ; stylized as EXO) is a South Korean-Chinese boy group based in Seoul.  Formed by S.M. Entertainment in 2011, the group debuted in 2012 with twelve members separated into two subgroups, Exo-K (Suho, Baekhyun, Chanyeol, D.O., Kai, and Sehun) and Exo-M (Xiumin, Lay, Chen and former members Kris, Luhan and Tao ), performing music in Korean and Mandarin respectively.  Exo's first album "XOXO" (2013), which contained the breakthrough hit "Growl", was a critical and commercial success, winning both Disk Daesang at the 28th Golden Disk Awards and Album of the Year at the 15th Mnet Asian Music Awards.  It sold over one million copies, making Exo the best-selling Korean artist in twelve years.  Subsequent albums and EPs continued with strong sales, and Exo were ranked the most influential celebrity by "Forbes" Korea Power Celebrity for the years 2014 and 2015.  They have been named "the biggest boyband in the world" by media outlets. "Ko Ko Bop" is a song recorded by South Korean boy band Exo for their fourth studio album "The War".  It was released in Korean and Chinese versions by S.M. Entertainment on July 18, 2017. 10.000 luchtballonnen is the fourteenth studio album by Belgian-Dutch girl group K3.  It is the first album that was recorded by the new formation of K3, which was formed in the 2015 television show "K3 zoekt K3".  The album was released on 18 December 2015 by Studio 100.  The album features twelve completely new songs, as well as twelve consisting K3-songs re-recorded by the new members.  The album became a big success, especially in Belgium where it debuted at number one on the Belgian Album Top 200 and was certified 8x Platinum by the Belgian Entertainment Association, but also in The Netherlands where it reached the second position on the Dutch Album Top 100 and was certified Platinum by the NVPI.  The first single, also called "10.000 luchtballonnen", was released after the finale of the television show, and debuted at number one at the Ultratop 50.
Answer: "Ko Ko Bop"