This doesn't answer your question, but most of the way I find out about new music is by listening to the suggestions at my local independent music shop. Maybe you could go to them and get them to listen to it. Of course, I bet the kind of music you're playing wouldn't go over very well at one of those establishments. But I haven't heard your music, so I could be wrong.

The long and short of it is "word of mouth". Get people to listen to it who are likely to recommend it to a lot of other people. And you're unlikely to get people to pay to listen to music unless you have a track record. Pick out a good single and some outtakes and distribute those for free. Let them pay for the rest of the A material and the B material.
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Bitt Faulk