What Canadian vocalist was featured in a guest appearance on the album Haven by Kamelot?
Alissa White-Gluz Alissa White-Gluz ( ; born July 31, 1985) is a Canadian vocalist, best known as lead vocalist of the Swedish melodic death metal band Arch Enemy, and former lead vocalist and founding member of the Canadian metal band The Agonist.
Carol Welsman Carol Welsman (born September 29, 1960) is a Canadian jazz vocalist and pianist. She is the granddaughter of conductor/composer Frank Welsman and the sister of composer John Welsman. She has been nominated five times for the Juno Award.