Thanks to Guesslist for pointing out this one.
It seems Mr Deacon’s planned Electric Picnic appearance never went beyond the planning stage as the artist has posted a bulletin on Myspace to clear up the confusion.
Subject: europe confusion
i just wanted to clear up some information about some shows that i am not playing but i am listed as playing. i will not be playing in europe in september. unfortunately, some of the possible shows got listed as confirmed and advertised. this has resulted in a major bummer as i cannot make these shows. i hope to make it back to europe again soon, but i do not know when that is. my apologies to everyone who was looking forward these fictional shows. this time, it honestly wasn’t my f*ck up.