Do I need to school you mg.org bitches on the finer points of zeuhl? Because I will if I have to.
Short version: scary french prog rock sung in Kobaian, which is the language spoken on the planet Kobaia (natch), the home planet of the drummer/Magma mastermind, Christian Vander. That's right, he's from Kobaia. Get used to it.
Dig into Magma's discography and consider your mind BLOWN.