"The Wonder Girls tour started on February 28, 2009 in Bangkok, Thailand. The Wonder Girls, along with mentor JYP, then held concerts in the United States, visiting Los Angeles on March 5, La Mirada on March 6, and New York City on March 8. They also performed for a small crowd at MTV Iggy on March 10. The group then returned to South Korea, holding concerts in late March in Seoul and Busan. This tour was documented in the M.net reality show Welcome to Wonderland.
"After the end of the tour, the Wonder Girls debuted a music video for 'Now', a cover of Fin.K.L's single from their third album. They also created a commercial for LG, with a version featuring only the dance was released online on April 9, 2009. The Wonder Girls also started their official MySpace Music account. The page confirmed that the group would launch in the United States with the official release of an English version of 'Nobody' in the summer of 2009.
"In June 2009, JYP Entertainment announced that the Wonder Girls would be joining the Jonas Brothers on the North American leg of the Jonas Brothers World Tour 2009. The company also announced that 'Nobody' would be the first English single, followed by 'Tell Me', and that an English album would be forthcoming. It was later revealed that in order to concentrate on their American debut, both Sohee and Sunmi dropped out of high school.
The Wonder Girls released an English version of their single 'Nobody' on June 26, 2009, just one day before the start of their tour with the Jonas Brothers. The Wonder Girls were initially signed on for 13 concert dates across the US, but they were eventually given the opportunity to join the Jonas Brothers for a total of 45 concert dates. 'Nobody' eventually made a debut on the Billboard Hot 100 in October 2009, making the group the first Korean group to ever enter the chart. The song also went on to top the Taiwan and Hong Kong music chart."
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