Jón Jósep Snæbjörnsson or Jónsi is an Icelandic singer and a former member of the band Í svörtum fötum. He represented Iceland in the Eurovision Song Contest 2004 and finished 19th. Jónsi once again represented Iceland in the Eurovision Song Contest 2012 in Baku, Azerbaijan in a duet with singer Greta Salóme, qualifying for the Eurovision final and finishing in 20th place. Jón Jósep also performed the opening theme song to the Icelandic children's television show LazyTown.

Iceland participated in the Eurovision Song Contest 2004 with the song "Heaven" written by Sveinn Rúnar Sigurðsson and Magnús Þór Sigmundsson. The song was performed by Jónsi, who was internally selected by the Icelandic broadcaster Ríkisútvarpið (RÚV) in February 2004 to represent Iceland at the 2004 contest in Istanbul, Turkey. The Icelandic song, "Heaven", was presented to the public on 20 March 2004 during the television programme Laugardagskvöld með Gísla Marteini.