This article has some great tips, in particular, how to pitch a unique story (you as the unique individual). In my case, I have the advantage of the still commonly-held view that women doing anything technical or with making beats is “unusual” and not a part of our DNA. Hogwash!
I also agree that keeping the story local (although Los Angeles is hardly a small town) is good, and as is being very specific about how you approach each person (and don’t spam them with follow up emails!)