Complex sentence: Matthias "Jablonski" Elsholz of Twelve after Elf, who was already familiar to fans after his vocals briefly featured on the track "Falsche Götter" ("False Gods") from the album Himmelfahrt.
Split into simpler sentences: Matthias "Jablonski" Elsholz of Twelve after Elf. Elsholz was already familiar to fans as his vocals had been briefly featured on the track "Falsche Götter" ("False Gods") from the album Himmelfahrt.