Whenever i apply an audio waveform to ANY layer, be it a solid, adjustment layer, or anything, the background of the waveform is black, so i can't add a background to my waveform, to make it look nice. Just as a kind of example, here is what i am looking to do:
http://www.youtube.com/watch?v=40T9o7NAR9o
except not as advanced. I can only get as far as the waveform, but i can't get ANY background whatsoever. If you don't believe me, try it yourself. Please help!