EDIT: This might only be a problem with the R8BA024 firmware...not confirmed yet tho
Sorry let me clarify. My issue is with the side lights (light effects) on my W580i. If you have the W580i or similar, you'll notice that when in Walkman player mode, the side lights turn a green/yellow color.
Whenever I go into Walkman media player, the theme remains the same, but the side lights change back to the Walkman green/yellow color and will remain that color unless I re-apply the theme.
This doesn't seem to be a problem for the flash themes like Spinnin', splat, or Strobe. I believe this is because these themes constantly change the side light color.
But for regular themes, yes, the side light color is overriden by the Walkman player. It seems that the theme's side light color is being defaulted back to walkman green/yellow whenever the walkman player is used.
I hope that makes a little more sense.