Lately I've been thinking about an idea I had, call it "postliterate art".
There is preliterate art, music and literature that was made and passed on without the use of writing. Things were constrained by the limits of memory, but they were also living, since people passed on the traditions and kept them going, updating and combining variations, creating regional differences, etc. Preliterate art is alive in a sense, because it grows and changes and even reproduces, variations of a song or story becoming separate works of their own.
Then things are written down, and even printed, so now you have a fixed author and a standard way for a piece