Zach Johnson has 1 どろろ concert.

Originally formed by two ex-members of Trance Art Lizard, Yoshimi (he changed his name to Kirihito) and MeiLa (ex. Art Marju Duchain, later changed his name to Chihime, then Janome and finally, Peggy) and vocalist HISAKI, Dororo originally played music inspired by Japanese horror. With this line-up they released 5 demos; "Untitled" in May 1999, "Fukou no Tegami" in August 1999, "Nemureru Hitsugi no Naka no Shoujo Keikaku" and "Isho" in 1999 and "Akai Kutsu no Shoujo Renzoku Yuukai Jiken" in March 2000.