“Claude!” This is perhaps the most-uttered word in Black Christmas (1974), and a sign of the wit which underlies this pioneer of what became known as slasher movies. The name belongs to a large, furry white cat who is the one male living in a Canadian sorority house.
Among the students is Olivia Hussey, her boyfriend aspirant classical pianist Kier Dullea. Seemingly proper - the opposite Margot Kidder who is so drunk that she assails a desk-sergeant -, Olivia Hussey is pregnant. This is but one situation in a plot which moves apace as one student disappears and obscene telephone calls continue (with some notable scenes in a pre-digital exchange). Written by Roy Moore and directed by Bob Clark, this was made on the hoof, with none of those involved aware that it would - after a while - gain a status which duly shifted from cult to popular.
There is no time to linger but everything is properly filled out, and a good deal of the effect comes from adroit use of sound (including Carl Zittrer's music). In particular there is a montage of carol singers on the doorstep while a dagger plunges into flesh upstairs. Had this scene been filmed in black and white, a clip could be mistaken for a prime piece of German Expressionism.
Here is something for more than horror fanatics, although piano lovers might shudder.