The Cant de la Sibil.la dates back to the middle ages and is listed as a UNESCO Intangible Cultural Heritage event. At midnight mass is held across the island in which a woman or child and a chorus perform a song of Gregorian origin while holding an upright sword which they use to draw a cross in front of them. They represent the sibyls singing the prophecy of the Last Judgment.
The Cant de la Sibil.la refers to prophecies the arrival of the Redeemer and the Last Judgement. The song was reintroduced by King Jaume I after his conquest and is performed without instruments except for during the preludes between each verse and is sung in Catalan.