I don't think anyone will ever try it, but here's an idea for how to run a store:
You just described the Apple Store
aka the most profitable (per square foot) retail business in the US
A minor point, but this:
The popularity of a cultural work is largely a result not of any inherent qualities of the work itself, but of of the activities of the audience.
...doesn't work with this:
If I like a piece of music, I am likely to tell my friends. They tell their friends, and so on and so on. (This is preferential attachment in a scale-free network.)
Why do you "like" one piece of music more than another. Why do all your friends pass it along. It's because of something inherent in the "work itself", isn't it?
"Ignorance is the soil in which belief in miracles grows." -- Robert G. Ingersoll