Mats Levén (born 11 September 1964) is a Swedish singer. Some of his most notable collaborations have been with guitarist Yngwie Malmsteen, symphonic metallers Therion and doom metallers Candlemass. In 2011, due to family issues on the part of Firewind's lead singer Apollo, Levén was called in to substitute for the rest of their European tour. He also started touring with Trans-Siberian Orchestra in 2016. In 2019, he released his first solo album under the name Skyblood. In 2022, he became a member of Vandenberg which is led by the well known guitarist, Adrian Vandenberg. Description above from the Wikipedia article Mats Levén, licensed under CC-BY-SA, full list of contributors on Wikipedia. ​