<Table> <Tr> <Td> </Td> <Td> This article relies too much on references to primary sources . Please improve this by adding secondary or tertiary sources . (July 2016) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article relies too much on references to primary sources . Please improve this by adding secondary or tertiary sources . (July 2016) (Learn how and when to remove this template message) </Td> </Tr> <P> There are a large number of music festivals in the United Kingdom, covering a wide variety of genres . Some of the U.K.'s music festivals are world - renowned and have been held for many years including the world's largest greenfield festival Glastonbury, which has been held since the 1970s . </P> <Table> <Tr> <Td> </Td> <Td> This section needs expansion . You can help by adding to it . (September 2012) </Td> </Tr> </Table>

What is the biggest festival in the uk