What we know of mass-market choice suggests that the more choices a person has, the more likely it is that the person will be dissatisfied with any one choice.
Jazz-Influenced Piano Concertos
I would like to think that there are more composers working today who think of themselves as beyond category.
The tradition of hybrids is there, for anyone who chooses to use it. Our modern media world makes that tradition accessible in hitherto unimaginable ways.
There are still some places where the genius of George Gershwin is underappreciated, and regrettably, they include most of the concert halls in his home country.