The song was written by Shel Shapiro and Andrea Lo Vecchio, and arranged by Pino Presti.

The French version of the song titled "Les oiseaux revent" has also become a b-side for the single "Et puis ça sert à quoi".

[3] "E poi..." was recorded in other languages: English ("Runaway", adapted lyrics by Shel Shapiro), Spanish ("¿Y que?

", by Caruso Genfingal), French ("Et puis ça sert à quoi", by Pierre Delanoë), and German ("Und dann", by Bert Olden).

[6] The Spanish version was not released as a single, but was included in the Spanish-language compilation Mina canta en español (1975).