Founded in 1987 in Sweden, Therion went from being one of the pioneers of Swedish death metal in the 80’s, to evolve into one of the founders of symphonic and opera metal in the mid 90’s. The band has toured in over 50 countries and have released 17 studio albums which has sold over a million physical copies and has gained over 75 million streams. The band has also transformed into a multi national band, having members and session collaborators from USA, Argentina, Spain, Finland and Italy.