It seems we will continue to have problems with this classification and it may be because it comes under the heading of creation rather than preservation.
There's so much left to achieve, there's so much more to do, there's so much that has not been done.
In jazz, you listen to what the bass player is doing and what the drummer is doing, what the pianist and the guitarist is doing, and then you play something that compliments that, so you are thinking simultaneously and thinking ahead.