of the US and Canada, dubbed "The Wonder World Tour", which included fellow label mates 2PM for nine dates in conjunction with Live Nation. The tour consisted of a combination of the English and Korean versions of their hits, covers of popular English-language songs, and new songs from their then-upcoming album. The first leg of the tour began in Washington, D.C. on June 4, 2010. The tour was eventually extended to add an additional leg in which label mates, 2AM, would open for the group during certain dates. The Wonder Girls followed up their tour announcement with the unveiling of their latest EP, titled "2 Different Tears". The title track was recorded in Chinese, Korean and English. The music video for "2 Different Tears" premiered on YouTube on May 15, 2010; it was shot in the Gyeonggi-do province of South Korea. The music video includes Park Jin-young and the Korean-American comedian Bobby Lee. The EP was released on the same day. Between May 15 and 31, 2010, the Wonder Girls returned to South Korea to promote the Korean version of "2 Different Tears". They appeared on M.Net's M! Countdown on May 22, 2010. On May 27, the Wonder Girls won their first No. 1 award for "2 Different Tears" on M! Countdown. The group ended their last week of promotional activities in South Korea by performing on MBC's Music Core on May 29, 2010. During this two-week period, the Wonder Girls also appeared on several Korean variety and talk shows, including KBS's Win Win and Happy Together, as well as SBS's Family Outing 2 and MBC's Come to Play. On July 29, MTV Korea premiered season 4 of Wonder Girls, which introduced the Wonder Girls' everyday life in the United States, such as at their New York home and studio, and preparations for the MTV World Stage Live in Malaysia 2010. The MTV World Stage Live in Malaysia 2010 was held at the Sunway Lagoon Surf Beach on July 31, and the show was broadcast on August 21 on MTV Asia. On July 30, M.net premiered a new show Made in Wonder Girls that took viewers behind the scenes of the group's first American tour as well as their promotions in Singapore and Indonesia. On August 3, the Wonder Girls performed in Singapore's SINGfest 2010 at Fort Canning Park. 2011–12: Wonder World and further international ventures In January 2011, more