Canto della Terra was a song written by the writers of the hit first performed by Andrea Bocelli at what festival?
Canto della Terra:  The song was written by composer Francesco Sartori and lyricist Lucio Quarantotto, the same writers of Bocelli's biggest hit "Con te partirò", and is among Bocelli's most popular and well-known songs. Con te partirò:  It was first performed by Andrea Bocelli at the 1995 Sanremo Festival and recorded on his album of the same year, "Bocelli".
1995 Sanremo Festival