The ancient site, famous for keeping the barbarians at bay, provides a stunning backdrop for this most cultured of events - a novel outdoor music gathering that moves along the expanse of the wall from Carlisle to Newcastle. Harps, Saxophones and the good old Ucayali provide some of the diverse sounds emanating from this splendid cacophony.
http://www.bbc.co.uk/news/live/uk-england-32974175
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