People shouldn't (be expected to) play your song -- and won't want it played for them -- out of a misplaced empathy with poor you (though parents and family and some friends may show such blind love and mean it, at least for a while). And you shouldn't help anyone along that dreary path any longer than love can bear. They should play it because they honestly like it, or want to hear it -- again and again, even.
To like it, they must first know it -- having heard it. They might of course like it in anticipation, having heard of it from people whose tastes, and perhaps sentiments, they trust; and even from you.
Better to hear it directly, though, so as to be certain about what is to like about it. And so it must fit into a genre that appeals to them -- though the ear, whose twin is the more judgmental eye, is the abode of a more generous and accommodating sense. Generally, then: to hear it, one must know where and how to get it; and one must have the means and the inclination, and peace of mind, to do so.