I decided to make something out of the blue without going for anything in particular, and this is what I ended up with. Not quite sure how much I like it.
I'd be very interested in hearing anyone's thoughts.
Edit: here you can see and listen to the score which I've changed slightly: http://musescore.com/user /50712/scores/94011
Please contact me if you would like to use this in a project. We can discuss the details.