Asia Tour 2007 A: Tour of Secret is the first Asia-wide and ninth overall concert tour held by Japanese singer Ayumi Hamasaki, in support of her album Secret (2006). The tour started March 10, 2007, and ended in mid June of the same year, with legs not only in Japan but in other Asian countries as well, making it Hamasaki's first concert tour with non-domestic stops.

A Best 2 is a two-part greatest hits album by Japanese singer Ayumi Hamasaki. Both albums, titled Black and White, were released on 28 February 2007 on various formats by Avex Trax. Produced by Max Matsuura, they follow Hamasaki's compilation album A Best, which was released in March 2001. "A Best 2" are concept albums, with Black focusing on darker and more serious tones and White on lighter and more upbeat themes. The albums contain 31 songs, including an unreleased track titled "Part of Me" on the Black edition, that were released between the periods of her albums I Am... (2002) and (Miss)understood (2006).