"'O sole mio" is a well-known Neapolitan song written in 1898. Its Neapolitan language lyrics were written by Giovanni Capurro and the music was composed by Eduardo di Capua (1865–1917) and Alfredo Mazzucchi (1878–1972). The title translates literally as "my sun" or "my sunshine". The lyrics have been translated to other languages.

Enrico Caruso was an Italian operatic first lyric tenor then dramatic tenor. He sang to great acclaim at the major opera houses of Europe and the Americas, appearing in a wide variety of roles that ranged from the lyric to the dramatic. One of the first major singing talents to be commercially recorded, Caruso made 247 commercially released recordings from 1902 to 1920, which made him an internationally popular entertainment star.