No sustain?
Doesn't matter. This is still a beautiful piece. If this is improv you came up with in 5 minutes, I applaud. Whenever I play on my keyboard, I tend to use the same, if not a similar, progression. To me, it's the best progression to use when you're conveying such sullen emotion. The softened delay makes up for the lack of sustain, so there's no problem there.
Very good stuff. I think anyone with a good ear for music needs to hear music like this. So don't worry about not being heard. If you're not happy here, then go elsewhere. Play for people in your neighborhood, or if need be, just keep advertising yourself. Be confident, just not too cocky. All will work out.