the reason I asked the question, was that I was corrected by John Adams[ Who works for the society]who said, it stands for English folk song.
Prior to my being corrected by folkie dave,that was my idea as well. however it stands for folk song[in the international context].
it seems to me that should [if it was marketed properly] give it a wider appeal,
oppurtunites for twinning, with whoever camden or london are twinned to etc,involvement of organisations like the British council,just for starters.