Yun Mi-Jin, Guo Wenjun, Rachael Flatt, and Kim Seung-Il join the lively crowd at a concert in Exposition Park, Los Angeles. With 14 people, including 5 males and 5 adults, the audience can't help but let loose and throw their hands up in the air. Accessorized with 10 glasses and 5 hats, the concert-goers rock on to the music while capturing the moment on their mobile phones and showcasing their trendy clothing and flashy jewelry.