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Thank you to all who responded.
Big thanks to SeaJayPea for taking a shot at it, missed but it was a great shot and so few clues I was able to give.
I haven't heard the " Theme from the " Last Patrol " for many years, lovely and now on my mp3 player.
I would love to hear the B side to it " Kisses in the Night " but can't find it.
It had me this morning going through my late Mum's collection of movies as she has the movie on the Beta-Max silver disks some of us remember.
Back to my question, SeaJays' reply spurred me on to give YouTube another go, I had given up on my question having made several long session attempts over as many years but finally after a few clicks, VOILÀ I found what I had been looking for--which for so long had eluded me, yet rattling around in my head, Eddie Calvert's rendition of " El Silenzio ".
I always thought the piece was great, my Mum loved it, brought back happy tears.
Thanks SeaJay and thank you AnswerBank