Katatonia is a Swedish metal band formed in Stockholm in 1991 by Jonas Renkse (formerly aka Lord Seth) and Anders Nyström (formerly aka Blakkheim). The early Katatonia albums are noted for the overall melancholy of their sound, often giving them the classification of doom metal. Katatonia's more recent albums have progressed to a wider sound, with modern overtones, dropped guitars, symphonic synths and arrangements, alternative sounds and generally heavier riffs.   Wikipedia