Sal- it's entirely possible, they do have a bunch of food and drink booths that do very well. you can email the organizers at enquiries@lorientrust.com. They should be able give you the information you need.

Dave the Gnome! How are you doing? i've got my own driver in the form of my boyfriend, but if you ever do decide to go and bard it up, let me know! The music usually pretty good, the bards i know tend to roam around the camps at night preforming and getting lots of free drinks. :-)