“Se” by Andrea and Ennio Morricone, from the film Cinema Paradiso (1998), is performed by singers Josh Groban and Renée Fleming, violinist Joshua Bell, with conductor Alan Gilbert and the New York Philharmonic. La Dolce Vita: The Music of Italian Cinema airs on Great Performances Friday, February 27, 2015 at 9 p.m. (Check local listings.)