If you aim at anything lower that is expecting your audience to be really alert and aware, then you're going to be caught out sooner or later as a composer.
I know some people will be surprised to hear it, but I've found that my music, whether its blues or rock, or whatever you want to call it, can be channeled into a positive direction that actually helps people.
I've seen novels that have grown out of one story in a collection. But it hasn't occurred to me to take any of those stories and build on them. They seem very finished for me, so I don't feel like going back and dredging them up.