Leif Edling (born 6 August 1963) is best known as the main songwriter and bass player of the Swedish doom metal band Candlemass. He's the only constant member of the band since its inception to the present day.Edling started his musical career in the band Trilogy, then under the name of Toxic, as a singer together with Ian Haugland (later the drummer of Europe) in 1979. He then played in a band named Witchcraft but left in 1981 and formed Nemesis in 1982.