Sardinia world (22 centenarians/100,000 inhabitants). Sardinia is the first discovered Blue Zone, a demographic and/or geographic area in the world with an oversize concentration of centenarians and supercentenarians. In 2016 there were 50,346 foreign national residents, forming 3% of the total Sardinian population. The most represented nationalities were: Sardinia's most populated cities are Cagliari and Sassari. The Metropolitan City of Cagliari has 431,302 inhabitants, or about ¼ of the population of the entire island. Eurostat has identified in Sardinia two Functional Urban Areas: Cagliari, with 477,000 inhabitants, and Sassari, with 222,000 inhabitants. Sardinia is one of the five Italian autonomous regions,
Music of Sardinia Music of Sardinia Sardinia is probably the most culturally distinct of all the regions in Italy and, musically, is best known for the "tenore" polyphonic singing, sacred chants called "gosos", the "launeddas", an ancient instrument that consists of a set of three single-reed pipes, all three mouth-blown simultaneously using circular breathing, with two chanters and one drone and the "cantu a chiterra", a monodic song that is accompanied by guitar, widespread mainly in the center and north of the island. The "launeddas" are an ancient instrument, dating back to at least the 8th century BC. They are played using circular