A History of Fox Corner, Pirbright

The Commons:  Under Development

The commons are dear to the residents of Fox Corner.  Sometimes cursed in the winter when they are wet, but beloved in the summer when they are glorious, this section will look at each of the commons, pointing out a few features of interest.
 

As a teaser, which British composer spent several nights under canvas on one of the commons?  And why?
 

If that was too hard, try this one:  Where can one see 100 year-old latrines at the side of the road?