There are five bands known as Zyklon-B. A. Black Metal Project from Norway with members of Emperor, Satyricon and Dødheimsgard. Their only release was a Single with 3 tracks and 10 minutes playtime (later re-released with a bonus remixed track). Very fast, aggressive and atmospheric tracks about war, violence and depopulation of the earth. Members: Samoth: Guitars (confusingly, also a member of the completely unrelated band, Zyklon); Frost: Drums;