JLS (an initialism of Jack the Lad Swing) were an English pop/R&B boy band, which consisted of members Aston Merrygold, Oritse Williams, Marvin Humes, and JB Gill, originally formed by Williams. They initially signed to Tracklacers production company New Track City and then went on to become runners-up of the fifth series of the ITV reality talent show The X Factor in 2008, coming second to Alexandra Burke. Following their appearance on The X Factor, JLS signed to Epic Records. Their first two singles "Beat Again" and "Everybody in Love" both went to number one on the UK Singles Chart.
2011-12: Jukebox and Evolution
JLS began working on their third album, Jukebox in March 2011. In May 2011 it was confirmed that the first single will feature American singer-songwriter Dev, and is titled "She Makes Me Wanna". The song was produced by BeatGeek, Jimmy Joker, Teddy Sky, who are part of RedOne's production company, after the group bid PS30,000 for a recording session with the producer at Alicia Keys' Black Charity Ball in 2010. It was serviced to radio stations on 25 May 2011, while it was released for digital download on 24 July 2011. The album was released on 14 November 2011, and the band will embark on another UK arena tour in support of the album in March and April 2012. On 15 September, JLS announced that "Take a Chance on Me" would be their second single from their album Jukebox. It was released on 4 November 2011, and charted at number two on the UK Singles Chart. The song was written by Emile Ghantous, Frankie Bautista, Nasri Atweh, and Nick Turpin. The band's third single "Do You Feel What I Feel?" was released on 1 January 2012 and became their lowest-charting single to date, peaking at number sixteen. The album charted at number 2 on the UK Album Charts, making it the second consecutive album to miss the number 1 spot, and entered the Irish Album Charts at number 5.  In 2012, JLS recorded the official Sport Relief charity single, "Proud". It was released on 18 March 2012. The song was co-written with Daniel Davidsen, Jason Gill, Cutfather and Ali Tennant, who also worked on the Jukebox album. The band were among the performers at the Diamond Jubilee concert held outside Buckingham Palace on 4 June 2012. On 7 June 2012, they performed at the Royal Albert Hall for the Rays of Sunshine concert, which grants wishes for seriously ill youngsters in the UK aged 3-18 years old. On 8 June 2012, they were announced to perform at the iTunes Festival 2012, along with The X Factor alumni Olly Murs, One Direction and Rebecca Ferguson.  On 21 August 2012, JLS began filming a music video for "Hottest Girl in the World", the lead single from their fourth album. On 25 August, the band announced that their upcoming fourth album would be called Evolution. The album will be released on 5 November. On the direction of the album Merrygold said; "We didn't go by any kind of guidelines or anything like that, we just made what felt right and we're really excited about it." The band also confirmed that a Deluxe version of the LP will be available that will feature bonus and unreleased tracks. Producers on the album include chart-topping US studio bods Rodney Jerkins, Bangladesh, and Midi Mafia. On 6 September, they premiered the lead single, "Hottest Girl in the World", on BBC Radio 1. The single was released on 21 October and debuted at number 6 on the UK Singles Chart.

Q: What happened in 2011?
A: JLS began working on their third album, Jukebox in March 2011.

Q: Did it reach bill board charts?
A: The album charted at number 2 on the UK Album Charts, making it the second consecutive album to miss the number 1 spot,

Q: How many records did they sale?
A: unknown
Did they go on tour?
The album was released on 14 November 2011, and the band will embark on another UK arena tour in support of the album in March and April 2012.
The album was released on 14 November 2011, and the band will embark on another UK arena tour in support of the album in March and April 2012.