Piano Scene - Lighting and Shading - Test 3

To get rid of the horizon line that was present in my last render, I created a curved nurbs plane and applied a U Ramp shader to it (with linear interpolation). added the wood texture to the lower ramp and a gray one to the upper ramp.

Below is an image of the graph network of my shader:

Brightness/contrast enhanced:

(the brightness n contrast are slightly adjusted in photoshop, same effect is doable in postproduction via AE)