I have a lot to critique about this. So first, I feel like the piano sample should have more bass frequencies in it, because you have the mid-highs, but no lows, when you hear the lows more, it will help your song become smoother. Secondly, the snare percussion playing at the beginning needs eq'ing especially in mid range, it might need compression too. The 808s are pretty nice, although, I can't really hear the kickdrum well, so I would lower those 808s so u hear it better. Otherwise, good job.