Aah now you are talking Chas...
That is what is referred to as Lifestyle Classifications here in the UK. Where the local culture is a driver for lifestyle behaviour.
The community of 2 similar sized local economies will behave very differently and their expectations will also differ considerably....and therefore their tastes.
The major supermarket operations not only undrestand this very well but all their daily performance data is presented in that format for their merchandisers and buyers.
What's all this got to do with music - well what goes down well in one town is a relative flop somewhere else with no obvious apparent explanation because the customers look much the same and dress much the same and are of a similar age mix...
Jim is feeling his way there and Elvis impersonations will work one place and not turn folk on somewhere else. It used to be called reading an audience but is now much more sophisticated.
Rog