Opeth is also well known for their incorporation of Mellotrons in their work. Many songs include acoustic guitar passages and strong dynamic shifts, as well as death growls. Opeth has consistently incorporated progressive, folk, blues, classical, and jazz influences into its usually lengthy compositions, as well as strong influences from death metal, especially in their early works. The group has been through several personnel changes, including the replacement of every single original member. Opeth were formed by keyboardist, lead vocalist, guitarist and songwriter Mikael Åkerfeldt. Opeth is a Swedish progressive metal/ rock band from Stockholm, formed in 1989.
