"Pensiero stupendo" ('Wonderful thought') is a song composed by Ivano Fossati (lyrics) and Oscar Prudente (music) and performed by Patty Pravo. A provocative description of a sexual ménage à trois, it was originally chosen to launch the French singer Jeanne Mas in the Italian market, but her version did not convince the RCA director Ennio Melis, who thought the song was more appropriate for Pravo. The song had been previously refused by Loredana Berté.

The single peaked at first place for two consecutive weeks on the Italian hit parade and was the ninth best-selling single of the year. The B-side of the single is "Bello", a cover of Talking Heads' "Love → Building on Fire".

The song was later covered by several artists, including Dolcenera, Fausto Papetti and La Crus. In 1997 Pravo recorded a new version of the song, released as "Pensiero stupendo '97".

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