There are multiple bands called Dissection:
1) Dissection was a melodic black metal/death metal band from Strömstad, Sweden. The band was formed in 1989 by Jon Nödtveidt (vocals / lead, rhythm & acoustic guitars). Other members were Ole Öhman (drums), Peter Palmdahl (bass), and John Zwetsloot (rhythm & classic acoustic guitars).
In 1990, Dissection played their first live show with death metal act Entombed. In the same year, they recorded and released their first demo titled "The Grief Prophecy".