“Il mare calmo della sera” is a song written by Zucchero Fornaciari, Giampiero Felisatti and Gloria Nuti, for Andrea Bocelli. Bocelli won the Sanremo Festival in 1994,

… singing the song, which was later released as his debut single. It is among Bocelli’s most popular and well-known songs.
The chorus opening phrase is virtually the same as the chorus phrase in “She Believes in Me”, the title of a song recorded by American  singer Kenny Rogers released in 1979 as the 2nd single from his album The Gambler.