Mark Robert Boals (born December 5, 1958) is an American heavy metal vocalist and occasional bassist, best known for his vocals with Yngwie Malmsteen. His first album with Malmsteen, Trilogy achieved platinum status in the USA and sold several million copies worldwide. As a young child, he learned to play the piano and bass guitar. Although Boals has never had any vocal lessons or training, as a teenager he gained experience as a vocalist in local groups. Boals is the founder and vocalist for the band Ring of Fire, and as of 2014, he is also the bassist for Dokken.
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