Complex sentence: He is a former member of the gothic bands Mephisto Walz, Rozz Williams' Christian Death, Shadow Project, briefly The Sex Gang Children, and punk band Wreckage, and he is probably most well-known as a founding member of Faith and the Muse.
Split into simpler sentences: He is a former member of the gothic bands Mephisto Walz, Rozz Williams' Christian Death, Shadow Project, and briefly The Sex Gang Children. Having also played in the punk band Wreckage, he is probably most well-known as a founding member of Faith and the Muse.