I took it as a reference to his lyrics, for which "AP English" would make a pretty good tongue-in-cheek categorization of the style & content. Same with the tex

I took it as a reference to his lyrics, for which "AP English" would make a pretty good tongue-in-cheek categorization of the style & content. Same with the text he writes for the back of his album covers. It's not the kind of thing I'd expect someone without exposure to and some affinity for that kind of thing (literature and poetry, that is) to invent spontaneously.