| A Best 2 | ||||
|---|---|---|---|---|
 Black cover art. | ||||
| Greatest hits album by | ||||
| Released | 28 February 2007 | |||
| Recorded | 2001–2006 | |||
| Genre | J-pop | |||
| Length | 77:27 (Black) 74:56 (White) | |||
| Label | Avex Trax | |||
| Producer | Max Matsuura | |||
| Ayumi Hamasaki chronology | ||||
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| A Best 2: White | ||||
 White cover art. | ||||
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).
Music critics praised A Best 2 for its themes and Hamasaki's music catalogue. The albums were commercially successful in Japan. White debuted at number one on the Oricon Albums Chart, while Black stalled at second place. Both records were among the best-selling albums of the year, and were certified triple platinum by the Recording Industry Association of Japan (RIAJ) for shipments of 750,000 units. There were no singles from the album, but "Part of Me" was certified gold by RIAJ for exceeding 100,000 ringtone downloads. To promote the albums, Hamasaki went on three different concert tours across Asia and received additional live DVD releases.