It's listed in this Italian American songbook?Makes me think of Italo American accordions which were made in USA and ItalySung by a great Italian singer, Italian theme, ( some) Italian lyrics: it's Italian !?
The New Italian American Songbook – 2nd Edition Hal Leonard Online
Buy the official Hal Leonard Piano/Vocal/Guitar Songbook, 'The New Italian American Songbook – 2nd Edition' (Sheet Music)
www.halleonard.com