There are several bands called Delirium around the world, please see below for a bio of each band, categorized by number: 1) An Italian progressive rock musical group, best known for the song "Jesahel". The group formed in 1969, with the name Sagittari and with a beat repertoire. The group changed its name after Ivano Fossati joined and replaced the Sagittari singer Riccardo Anselmi towards the end of 1970. Since their first single "Canto di Osanna" in 1971, presented at the Festival di Musica d'Avanguardia e di Nuove Tendenze, the group gained an immediate success Delirium entered the Sanremo Music Festival the next year with the song "Jesahel", reaching sixth place in the competition and peaking number one on the Italian hit parade. After the new single "Haum", that Delirium presented at "Un disco per l'estate" festival, Fossati left the group to start a solo career. After two more albums the group disbanded in mid-1970s, until a reunion in early 2000s. 2) Heavy metal band from Honduras. 3) A death/doom metal band from Holland formed in 1988. They had a self-titled demo in 1988 a demo titled "Amputation" in 1989. They released their first and only album in 1990 title "Zzooouhh" on Prophecy Records. 4) A Los Angeles art metal band formed in 2008 under the name Saboteur. They released their first album "Greatest Hits, Vol. 2" in late 2009 on Shazam Records. 5) A melodic death metal band from Mexico formed in 1997 under the name Tears of Blood. They released a demo and two EPs. 6) A Pagan/Viking metal band from Franconia, Germany. Released a Free-Demo and record their first Album in Novembre 2010 7) A jazz quartet from Finland and Denmark. Their debut album Delirium was released in 2002 on Fiasko Records. 8) A prog rock band from Poland. 9) A female fronted punk band from Germany. 10) A prog rock band from Mexico that released an album in 1984. 11) A rock group from Slovenia. 12) A dutch punk/hardcore (nederpunk) band. 13) A Finnish Thrash/Death Groove Metal band from Helsinki, Finland, formed in 2013. They released their debut demo "Contrast" 23/4/2013. 14) A Portuguese R&B girlband with three members of African descent: Vânia de Oliveira, Carla Leão and Mónica Sofia. They rose to prominence in the late 90s and early 00s. They had a nation-wide hit with Tudo para ti (Amor). 15) Delirium was a post punk/dark wave band formed in Thessaloniki, Greece in 1986 by two members of Life In Cage, Chris Skordylis : guitar, keyboards and Theofil Tsiolakakis : vocals, bass, lyrics with the addition of George Vogiatzis (later known as George Animal) : drums. Other bands with this name include: A Swiss thrash metal band, a Chilean doom metal band, a Polish death metal band and an American death metal band. 16) Delirium, an Indie Band from Aberdeen, UK formed in tribute to the 90s indie and alternative rock scenes