So as I listened to him tell it, sitting on a stool in front of a video player, in a Filmoteca cubicle, I couldn’t suppress a vague tremor, because I knew I was hearing one of the first versions, still rough and unpolished, of the same story Ferlosio was to tell me almost sixty years later, and I felt absolutely sure that what Sánchez Mazas had told his son (and what he’d told me) wasn’t what he remembered happening, but what he remembered having told before.