This song mentioned above is sung in what language? 
Luis Fonsi: Luis Alfonso Rodríguez López-Cepero (born April 15, 1978), known by his stage name Luis Fonsi, is an American singer, songwriter and actor from Puerto Rico, best known for the worldwide hit song "Despacito". Despacito: "Despacito" (] ; English: "Slowly") is a single by Puerto Rican singer Luis Fonsi featuring Puerto Rican rapper Daddy Yankee from Fonsi's upcoming studio album.
English