There are multiple bands named Katatonia: 1) Swedish metal band. 2) Polish death/thrash metal band. 1) Katatonia is a Swedish metal band formed in Stockholm in 1991 by Jonas Renkse and Anders Nyström. The bands music has doom metal and alternative metal elements and influences with their progressive metal style, noting the overall bleak melancholy and despair sound. After more than a year of rehearsals and composing, the first real fruits of their labour came to light in mid 1992 with the release of the demo "Jhva Elohim Meth"