He did this to to know what it felt like to write a masterpiece.
I love this fact. It sounds crazy on the face of it, but if learning a musical instrument you’d be considered mad to have only ever played your own music. Not only does playing the work of others open up technique – whether it is phrasing or hand positions but also helps to teach the feeling that you need to put across in your playing to recreate what you hear.
To truly feel someone else’s words beneath your finger tips must surely be something to look at if writing creatively and writing well means something to you.