In June 1971, Kerr staged "Glastonbury Fair", along with
Arabella Churchill and some other friends. Glastonbury Fair originated the use of the name 'Glastonbury', the June date, and the pyramid stage, inspired by the work of author
John Michell. The position of the stage was
dowsed by Kerr according with his belief in
ley lines, and the 'Glastonbury' part of the festival's name was introduced. Kerr was inspired to put on a
free festival after his experience at the commercial
Isle of Wight Festival in 1970. His original motivation for staging a free festival was outlined in a leaflet published at the time: To mark the 40th anniversary of the Glastonbury Fair, at the
2011 Glastonbury Festival Kerr organised a 'Spirit of 71' stage, with a number of the original performers. 'Spirit of 71' was also incorporated into the 2013 festival. In his book
Groovy Old Men author Nick Baker says of Kerr: ==Life==