Hey,

Nice work so far but there's more ahead.

First thing you might want to do is humanize the piano. Play with the velocity of each notes, try putting those not exactly on time, etc... other thing with the piano, it's lacking of clarity. Piano is way too mid/Low-mid, it could use some high frequency to make it clear.

Then again, with the ride, you might want to make it less static. Play with the velocities. (a lot) Kick is weak compared to the snare. Snare has a bit too much of reverb.

It's a bit slow to build to whatever you plan next. 1min30 is alot considering you're repeating the piano almost 4 times with no variation in it. (Just adding drums, doesn't make it interesting). Try adding Harmonies to the piano. Build up the chords;

Anyway, nice ideas, a lot of work is required but it can work