I'm not exactly what kind of concert it was, but Rain was the most photographed artist at the 12th Boryeong Mud Festival Asia Dream Concert which took place on the 12th July 2009.

Other performers who participated in the concert were Baek Ji Young, 2PM, Davinchi, FT Island, Kra, Zya (from China) and Arirang.

More pics...



2PM performance at the concert.

Credits:Kpop
Source: Newsen, bntnews