Are Adam Gontier and Björk both singers?
Adam Gontier Adam Wade Gontier (born May 25, 1978) is a Canadian singer, songwriter and musician. He is the lead singer, rhythm guitarist and main songwriter for Saint Asonia, but is best known as the former lead singer, rhythm guitarist and main songwriter of the Canadian rock band Three Days Grace. Gontier left Three Days Grace on January 9, 2013. In addition to his work with Three Days Grace, he has been involved in collaborations with other bands including Art of Dying and Apocalyptica.
Arthur Berkut Artur Vyacheslavovich Mikheev (Russian: Артур Вячеславович Михеев , born 24 May 1962), better known under his stage name Arthur Berkut (Russian: Артур Беркут), is a Russian singer. Throughout his career, he has participated in numerous bands, with the most notable being Autograph, Mavrik, and Aria.