There are two different bands that go by the name “Triangulum”: 1) A solo black metal band from the US. Formed in 2008. 2) An progressive metalband from the Netherlands. Formed in 2009. 1) Black metal band from the US. Recorded some unreleased demos under the name Moonlurker in 2007 and changed the name to Triangulum in 2008. Several early Triangulum demo tracks were recorded between 2008-2010, many of which have been lost. Triangulum is the solo project of JH (Spiral Staircase, Astral Crypt Of Moloch, Drekavac) Read more on Last.fm