Who on earth forgot You’d Better Smile, from Preparati La Bara? Should have been first on this list .
Some more that I would seriously recommend:
Laredo, Marcello Giombini
Non Mi Aspertavvi Piu, Vasco and Mancuso
La Ballata Del Treno, Egisto Macchi
Find a Man, Francesco Di Masi
Stranger, Francesco Di Masi
The Wind In My Face, Nico Fidenco
They Call It Gold, Stelvio Cipriani
An Eye For An Eye, Ennio Morricone
Basta Cosi, Nora Orlandi
I Lunghi Giorni Dell’odio, Amedeo Tommasi