It's actually now, more common to see conceptual productions of Shakespearian, which Hamlet is played as a Nazi, or a homosexual, or whatever concept is being laid over the play, then it is to see a production of Shakespeare in which there is no conceptual overlay and the play is simply being presented on its own terms.
Kinsey was trying to study sex scientifically, get rid of the overlay of culture and religion.
Much discussion of money involves a heavy overlay of priestly incantation.
I grew up singing Mexican music, and that's based on indigenous Mexican rhythms. Mexican music also has an overlay of West African music, based on huapango drums, and it's kind of like a 68 time signature, but it really is a very syncopated 68. And that's how I attack vocals.