Although when Christianity appeared the total population of the planet was only a fraction of that of the twentieth century, most of the earth's surface was quite outside the Mediterranean world, Persia, India, and China.
I listen to everything that comes in. I'm not real worried about demo sound quality. I can hear through that sort of thing. If a band can play, then they can play.
Everyone in my family is an artist in some capacity whether they're musicians, painters, or sculptors, so it's in their blood.