Magma

Practically invented their own genre which was a propulsive, jazz-laden form of progressive-rock fueled by vocal choruses, dense orchestration, and the brilliant drumming of classically trained Christian Vander. Their vocals are written in a constructed language, and all albums revolve around the science-fictional world that utilizes this language.

Mekanik Destruktiw Kommandoh is this band at their most distinct. Over the top.

Hmmmmm, sounds very interesting!