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Rainbow is the twenty-eighth solo studio album by Dolly Parton. It was released on November 25, 1987, by Columbia Records. The original plan, when Parton signed with CBS, was for her to alternate between releasing pop and country albums (rather than trying to combine the two styles on each album), but due to Rainbow's poor sales and tepid critical reception, the plan was quickly abandoned, and Parton more or less focused on recording country material for the remainder of her association with the label.

The album was among Parton's lowest charting albums to that point. It stalled at #153 on the U.S. pop albums charts and barely cracked the top twenty on the country albums charts; its first single, "The River Unbroken" missed the country top 40 entirely, stalling at #63, and did not make the pop chart. The album's second single, "I Know You by Heart", a duet with Smokey Robinson, did not chart at all, but was covered by Bette Midler the following year for the soundtrack of the movie Beaches. A third single, "Make Love Work", was released in June 1988, but fared poorly, likely due, in part, to competition from "Wildflowers", a top-ten single by Parton, Emmylou Harris and Linda Ronstadt released from their 1987 Trio album a month earlier.

Rainbow's release coincided with the launch of Parton's ill-fated 1987-88 variety show, Dolly, and much of the music on the album was highlighted on the show.

• Dolly Parton – vocals
• Waddy Wachtel – acoustic and electric guitar
• Kevin Dukes, Rick Vito – electric guitar, slide guitar
• Dann Huff, Michael Landau – electric guitar
• Al Perkins – steel guitar
• Danny Kortchmar – 12-string acoustic guitar
• Bob Glaub, Leland Sklar, Abraham Laboriel – bass
• Steve Goldstein – keyboards, acoustic piano, synthesizer, bass synthesizer, drum programming
• Bill Cuomo – synthesizer, synthesizer organ
• Robert O'Hearn – synthesizer
• Patricia Mabee – harpsichord
• John Vigran – drum programming
• Craig Krampf – drum overdubs, drum programming
• Jim Keltner – drums, percussion
• Buck Trent – electric banjo
• Bobby Bruce – violin
• Tom Scott – saxophone
• David Campbell – string arrangements, conductor
• Hammer Smith – chromatic harmonica
• Julia Waters, Maxine Waters, Richard Dennison, Carmen Twillie, Mike Chapman, Blaise Tosti, Anita Ball – backing vocals

• Rainbow at Dolly Parton On-Line