For a writer you have to be interested in different cultures, different backgrounds. You are not there to write only about your village. You're there to show a bit of your village, but also to understand other villages.
Even in India the Hindi film industry might be the best known but there are movies made in other regional languages in India, be it Tamil or Bengali. Those experiences too are different from the ones in Bombay.
A theory is the more impressive the greater is the simplicity of its premises, the more different are the kinds of things it relates and the more extended the range of its applicability.
Music is language itself. It should not have any barriers of caste, creed, language or anything. Music is one, only cultures are different. Music is the language of languages. It is the ultimate mother of languages.