Opeth is a Swedish progressive metal band formed in 1990 in Stockholm. Known for its unique blend of progressive rock and death metal, the band has been a significant influence in metal music. Over the years, Opeth has evolved its sound from heavy, death metal elements to a more progressive rock style, especially evident in later albums. Notable albums include 'Blackwater Park', 'Ghost Reveries', and 'Heritage'. Opeth is praised for its complex compositions and dynamic performances, earning them a worldwide fanbase. Important singles include 'Windowpane' and 'In My Time of Need'. The band has received several awards and nominations, highlighting their significant impact on the international music scene. Despite line-up changes over the years, Opeth remains active, continuously exploring and expanding their musical horizons.