Music by Eduardo di Capua & Alfredo Mazzucchi
Lyrics by Giovanni Capurro
Date 1898

"O Sole Mio" is a Neapolitan song commonly sung as an opera standard.

Ernie sings a brief off-key rendition in a Sesame Street sketch as a device for learning what time of night it is: the annoyance of his neighbors result in their shouting their discontent down the street.

Wikipedia has an article related to:
Community content is available under CC-BY-SA unless otherwise noted.