Souls of Black is the fourth studio album by American thrash metal band Testament. The album was released on October 9, 1990. It preceded several changes in style to rather diverse styles of metal, including the traditional heavy metal sound heard in its succeeding album, The Ritual. In order to promote Souls of Black, Testament supported Megadeth, Slayer and Suicidal Tendencies in Europe on the Clash of the Titans tour. Reception: Reviews for Souls of Black have generally been mixed. Allmusic's Alex Henderson awards it two-and-a-half stars out of five, saying "Testament sounds very much like it did on its Read more on Last.fm.