The 3rd one day festival held in the grounds of Knebworth House was headlined by The Rolling Stones. A far more professional stage than the year before, see http://www.geograph.org.uk/photo/3536017. It was in the shape of a giant mouth and tongue (modelled on the Stones logo which allowed Jagger to parade himself nicely). Inflation was taking hold with ticket prices rising to
Uploaded to Geograph by Richard Humphrey on 21 August 1976
Photo © Richard Humphrey, 21 August 1976. Licensed for reuse under this Creative Commons licence