The first rap song was released in 1979 was it sung by chubby cheacker or the sugar hill gang?

Chubby Checker, born Ernest Evans on October 3, 1941, was an American rock'n'roll musician, born in South Carolina, most popularly known for his 1960 hit song "The Twist".

The Sugarhill Gang are most widely known for their rap song, commonly labelled as the "first rap song", "Rapper's Delight", released in October 1979.