Funny, there is still no Nobel Peace Prize in music and poetry - or in oral literature ...
But what is literature?
https://en.wikipedia.org/wiki/Literature
"Littera" is a letter or a writing, or written document, like a handwritten letter, for instance.
Citing:
"The quest to discover a definition for "literature" is a road that is much travelled, though the point of arrival, if ever reached, is seldom satisfactory. Most attempted definitions are broad and vague, and they inevitably change over time. In fact, the only thing that is certain about defining literature is that the definition will change. Concepts of what is literature change over time as well."
And for you, T(h)ink:
https://de.wikipedia.org/wiki/Literatur
And what is music?
https://en.wikipedia.org/wiki/Music
Or what is poetry?
https://en.wikipedia.org/wiki/Poetry
The views are controversed:
http://www.reuters.com/article/us-nobel-prize-literature-idUSKCN12D1A1
https://www.theguardian.com/books/2016/oct/13/bob-dylan-wins-2016-nobel-prize-in-literature
http://www.telegraph.co.uk/news/2016/10/13/a-world-that-gives-bob-dylan-a-nobel-prize-is-a-world-that-nomin/
Literature has diverse aspects, and it includes poetry - but why not allow at least two categories in this domain, or, at least, also music?
Now, I feel, somehow, trapped ...