I haven't seen this one mentioned here, but there is a Folk and Acoustic Music Day in Dursley Gloucestershire on Saturday October 5.It will be at the Old Bell in Long Street from 10 AM to closing time.
There will be an all-day singaround / session, which is free and concerts with Dan McKinnon, Jim Bainbridge, Ron Taylor and Jeff Gillett, Norman and Betty MacDonald along with the much loved Others TBC. Concert will be £5.00.
Indoor camping is available if you book soon enough.
More details from David Cheffings