Unison is the 15th studio album by Canadian singer Celine Dion and her first studio album recorded in English. The album was originally released on 2 April 1990 by Columbia Records. Its music incorporates a range of contemporary genres with a mix of ballads and dance songs. Dion worked with a range of professional writers and producers, including Christopher Neil, David Foster, Tom Keane and Andy Goldmark. Upon release, the album received generally positive reviews from music critics, who complimented Dion's voice and technique, as well as the album's content. On the commercial level, Unison reached top ten in Norway and top twenty in Canada. Eventually, it was certified seven-times Platinum in Canada, Platinum in the United States, and Gold in the United Kingdom and France. The album has sold over three million copies worldwide. In 1991, Unison won Juno Award for Album of the Year and Dion won Juno Award for Female Vocalist of the Year.