This song comes from Naples, Italy, where I lived in 1980, and was written in Neapolitan dialect. It was the winner of a song competition and celebrated the funicular train that had recently been installed on the side of the volcano, Vesuvius.
Here’s a version with the original Neapolitan text and English translation:
I like this version, too by Beniamino Gigli dating from 1949:
Kurt Nemes' Classical Music Almanac 