Perhaps try experimenting with different fade lengths and shapes. For me, the default fade shape (gentle concave-down) doesn't really become noticeable until it reaches the halfway point (on the vertical scale). I notice the fade more when I change to the linear or concave-up shapes, or if I just start fading earlier. Try making the fade start at the beginning of the song, and run to the end. If you still don't hear it being applied, come back for more ideas.