Claim: Bitterblue is a pop rock album  released on 11 November 1991 by Welsh singer Bonnie Tyler that features compositions from Albert Hammond, Nik Kershaw and Giorgio Moroder.
Evidence: Bitterblue is the eighth studio album by Welsh singer Bonnie Tyler. Bitterblue is a pop rock album, described by Dieter Bohlen as "more commercial" than her previous albums. It was released on 11 November 1991, through Hansa Records. Bitterblue also features compositions from Albert Hammond, Nik Kershaw and Giorgio Moroder.