They recorded one private demo in 1988 (Including the songs 'Dawn of the dead', 'The Final War' and 'Show No Mercy'. With influences ranging from Slayer to Candlemass, Siren's Yell began to develop a heavy brand of Thrash Metal.
In 1988, four guys from the West Coast of Sweden Jon Nödtveidt, Peter Palmdahl, Ole Öhman and Mattias 'Mäbe' Johansson, formed the Thrash Metal combo Siren's Yell.