Dion performed " Unison " on a few Canadian television shows in 1990 . She also sang it during her Unison Tour , Celine Dion in Concert , The Colour of My Love Tour , and also in the closing concert dubbed " Millenium Concert " of her Let 's Talk About Love World Tour . It was also performed as part of a medley with contestants of Star Académie in 2009 . It was also a part of a medley in her 2018 tour and the final year of her Las Vegas residency show , '' Celine ''
2018 tour
Celine Dion Live 2018
Unison (song)