Very few concert promoters can claim to be almost as famous as the event they organise but, in the 38 years since farmer Michael Eavis started taking time out from milking cows to hold festivals on his 400-acre holding in Somerset, he has become synonymous with the Glastonbury festival.

Born on October 17 1935 to a family that had been farming since 1865, he has always had agriculture his blood, but flowing with it is a passion for music and ...