Which vocalist left the band whose fourth full-length album is Destroyer?
Gaahl Kristian Eivind Espedal (born 7 August 1975), better known by his stage name Gaahl, is a Norwegian vocalist and artist. He is best known as the former frontman of Norwegian black metal band Gorgoroth. He is also the founder and frontman of Trelldom and Gaahlskagg. Since leaving Gorgoroth he has been involved with God Seed, Wardruna, and Gaahls Wyrd. He was the focus of the documentary "True Norwegian Black Metal" and also appeared in the film "Flukt".
Single Bullet Theory (metal band) Single Bullet Theory (SBT) is an American heavy metal band from Philadelphia, Pennsylvania. They are not to be confused with the new wave band called Single Bullet Theory who disbanded in 1984. Single Bullet Theory was founded in 2000 by guitarist Matt DiFabio after the disbanding of Cipher (active again as of Dec. 2015). The band's current lineup consists of vocalist/guitarist Matt DiFabio (ex-Pissing Razors), bassist Bill Mez (ex-Seven Witches), guitarist Rich Gulczynski (Solace of Requiem), and drummer Rob Gladden. The band has released two EP's, four full-length studio albums, and one compilation album to date. The band is scheduled to release its fifth full-length studio album "Divine Ways of Chaos" in 2016.