sToa was founded in 1991. Olaf Parusel (composition/arrangement) looked at this time for a new way to connect his musical and philosophical thoughts. He found a voice in Conny Levrow. In the same year the first song "Stoa" was released on the compilation "From Hypnotic ... to Hypersonic" (Hyperium). The CD "Urthona" (Hyperium) followed in 1992.

Olaf was in his childhood a member of the "Stadtsingechor Halle" the oldest chorus of the world. Later he played in many musical projects and bands....