A characteristic of older folksongs, in most cases, is that we don't know their composers or authors. Older folksongs were written often with no commercial purpose in mind. They were passed down by word of mouth, from generation to generation.
The best preparation for acting is life - observing life and people and observing yourself. All that becomes your library. So when you have to research a part, a scene or an emotion, you go into the library and get what you need.
I love fried okra. The fact that it's okra makes me feel like it's good for you - I forget the fact that it's fried.

