Unison is the ninth studio album by Canadian singer Celine Dion and her first English-language album. Released on 2 April 1990 by Columbia Records, it features a mix of dance songs and ballads influenced by 1980s soft rock. The album was produced by David Foster, Christopher Neil, Andy Goldmark and Tom Keane. Upon its release, Unison received generally positive reviews from music critics, who complimented Dion's voice and technique, as well as the album's content.