Renato Fiacchini (born 30 September 1950), known by the stage name Renato Zero, is an Italian singer-songwriter, producer, dancer and actor whose career spans from the 1960s to the 2020s. Zero is the only artist to have reached the top of the Italian charts in six different decades. With 60 million records sold, he is one of the best-selling Italian music artists.
“Triangolo” (lit. “Triangle”) is a 1978 Italian song composed by Renato Zero and Mario Vicari and performed by Renato Zero. It is the lead single of the album Zerolandia.
The song, which has an ironical and explicit depiction of a sexual threesome between two men and a woman as main theme, raised large controversies at the time of its release.
Zero also recorded the song in Spanish as “Triàngulo”, with lyrics by Lopez de Toledo, and in Engish as “Sexy Party”. A duet version with Raffaella Carrà was released in the album Sei Zero.