Rainbow is the seventh studio album by American singer-songwriter Mariah Carey, released on November 2, 1999, by Columbia Records. The album followed the same pattern as Carey's previous album, Butterfly (1997), in which she began her transition into the R&B market. Rainbow contains a mix of hip-hop-influenced R&B jams, as well as a variety of slow ballads. On the album, Carey worked with David Foster and Diane Warren, who replaced Walter Afanasieff, the main balladeer Carey worked with throughout the 90s. As a result of her separation from her husband, Tommy Mottola, Carey had more control over the musical style of this album, so she collaborated with several artists such as Jay-Z, Usher, and Snoop Dogg. On Carey's previous album, Butterfly, she began incorporating several other genres, including R&B and hip-hop, into her musical repertoire. In order to further push her musical horizons, Carey featured Jay-Z on the album's lead single, the first time in her career that another artist was featured on one of her lead singles. Carey wrote ballads that were closer to R&B than pop for this album, and worked with Snoop Dogg and Usher on songs such as "Crybaby" and "How Much," both of wh…