Best & USA is a 2009 album by the South Korean pop singer BoA. A Japanese issue coinciding with the release of her American first album, BoA, it contains the American album (USA) as well as a compilation of Japanese singles (Best). It was released on March 18, 2009. Best & USA was better received in Japan than BoA had been in the U.S., reaching #2 on the Oricon weekly album charts. It sold over 100,000 copies and was certified Gold by the Recording Industry Association of Japan. The Japanese songs were also released separately as Best II on April 15, 2009.