Does anyone know where I can buy a copy of the original score for Hermmann's Psycho?
Re: Psycho score
As is (or had been) the norm with film music, I don't think this has ever been published, per se.
There are various "arrangements" of this music out there for different ensembles, including strings, though how closely they mimic the original music I couldn't say.
The actual manuscript I believe is held at UC Santa Barbara in California.
It would look something like this: