page_title: Wonder Girls
section_title: 2015: Line-up changes and comeback with Reboot
hierarchical_section_title: Wonder Girls / History / 2015: Line-up changes and comeback with Reboot
caption_attribution_description: English: Pop sensation Wonder Girls performs during the July 19 team launch, encouraging Team Korea to do its best at the Rio 2016 Olympic Games. 한국어: ‘2016 리우 하계올림픽’ 대한민국 선수단 결단식이 열린 19일 걸그룹 원더걸스가 축하공연을 펼치고 있다.
context_page_description: Wonder Girls was a South Korean girl group formed by JYP Entertainment. The group debuted in February 2007 with the single "Irony" and five members: Yeeun, Sunye, Sunmi, Hyuna and Sohee. After Hyuna's departure in July, Yubin was added into the group prior to the release of their debut studio album, The Wonder Years. The album spawned the hit single "Tell Me", which topped various South Korea's on and offline music charts.
  Wonder Girls further established themselves as one of the top girl groups in the country with the hit singles "So Hot" and "Nobody", which were released in 2008. After being released as a single in the United States in 2009, "Nobody" charted at number seventy-six on the Billboard Hot 100, making Wonder Girls the first South Korean group to enter the chart. The group began their entry into the American market the same year as an opening act for the Jonas Brothers' World Tour, performing English versions of their songs.
  In 2010, Sunmi left the group to pursue an academic career and was replaced by Hyerim prior to the Korean & US releases of the single "2 Different Tears". Their second studio album, Wonder World, yielded the successful single "Be My Baby".
context_section_description: On June 24, 2015, JYP Entertainment announced that the Wonder Girls would be making a comeback after a three-year hiatus. A representative of the agency confirmed that former member Sunmi would re-join the group for the first time since withdrawing in 2010. Rather than a dance group, the Wonder Girls returned as a four-member band with each member playing an instrument: Yubin (drums), Yeeun (keyboard), Hyerim (guitar), and Sunmi (bass). Their comeback featured a retro, 1980s sound resonant throughout the album, similar to some of their past releases. On August 2, "I Feel You", the lead single from album, was released. The group released the album, titled Reboot on August 3. The album was a commercial success, charting number five on Gaon Albums Chart and number two on Billboard World Albums. Each member participated in the composition and production of the album.
  On October 2, it was announced that the Wonder Girls would host an episode of Saturday Night Live Korea. They performed their hits "I Feel You", "Nobody", and "Tell Me". On December 27, they performed at SBS Gayo Daejeon, and on December 31 at 2015 MBC Gayo Daejejeon. Reboot was ranked No. 1 on The 10 Best K-Pop Albums of 2015 by Billboard, and also No. 18 on The 20 Best Albums of 2015 by FuseTV.
caption: Wonder Girls performing at the launch ceremony for the South Korean Olympic team in July 2016
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