I am using the Hot Corners
feature to turn my display off on my Macbook Pro (OS X 10.8.4) when I am not using it. Oftentimes, I keep music playing and I want to change the volume while the display is off. Every time I increase or decrease the volume, the screen turns on, and I have to turn the display off again.
Is there a way in ML to change the volume without waking the screen again? I know that it is supposed to wake the screen when the user presses something, but is there a way to maintain that functionality for everything but the volume buttons? If that's not possible, are there any third party apps that could do this?