Therion is a Swedish metal band formed in 1987, known for pioneering the symphonic metal genre. Their music combines heavy metal with classical elements, featuring orchestras and choirs. Over the years, they have released numerous albums, with notable works like Theli and Vovin showcasing their unique sound. The band's name, Therion, means "beast" in Greek and reflects their thematic focus on mythology and the occult. They have undergone several lineup changes, with Christofer Johnsson being the constant driving force behind the band's creative direction. Their innovative approach has influenced many other artists in the metal scene.