The midi you are listening to is Harvest Home,
a traditional English tune
You're looking across the River Wear towards Durham Cathedral.
In the foreground, next to the river, you can see the University Boathouse which used to be a watermill. Beside the watermill, you can see a weir, which was used to provide the watermill's head.
"In days gone by, my great, great grandfather was a miller at this mill", says Jay.
To get a closer look of the weir, click here or on the applet.