The Fiestas were an American R&B group, best known for their hit "So Fine", which peaked at number 11 on the Billboard Hot 100 in 1959. Their style was characterized by doo-wop harmonies and soulful melodies, typical of the era. Formed in Newark, New Jersey, the group consisted of Tommy Bullock, Eddie Morris, Sam Ingalls, and Preston Lane. Despite their short-lived prominence, The Fiestas left a mark on the R&B landscape with their signature sound.