They’re running a Hitchcock film festival on Turner Classic Movies that started this morning at 6 am and will end on Monday, June 28, at 6 am: 23 films (plus one encore) in a row. All the classics, from “North By Northwest,” “Shadow of a Doubt,” and “Psycho” to “Rear Window,” “Suspicion,” and both versions of “The Man Who Knew Too Much,” it’s quite a line-up. “Vertigo” is on right now, and the score alone is worth the price of admission. I remember seeing John Williams conducting the New York Philharmonic to this haunting Bernard Herrmann music for “Scene d’Amour” [YouTube link to a Boston Pops performance]. Here’s the scene in the film: