Gary Criss is an American singer who achieved fame primarily during the disco era in the late 1970s. His style is characteristic of the disco genre, featuring rhythmic beats and soulful vocals. Criss is best known for his hit single "Rio De Janeiro," which peaked at number 44 on the Billboard Hot 100 in 1978. Although his time in the limelight was brief, Criss made a significant contribution to the disco era with his signature sound.