His Productions wrote:
I know this is probably something ridiculously simple :-)
What am I missing?
Go to View>Waveform Channels and take the check out of 'Layered'...
Incidentally, the clue was that you have both channels displayed at the top of the screen - Layering is the only thing that will superimpose them.
If I had known how QUICKLY I would get help on this issue...I would have asked earlier!!!