Will , i encountred impudence at no other folk club but sharps in cecil sharp house , i was the booked guest and one of the residents thought it appropriate to join me on stage [unasked] because he too played the concertina, the problem was he had a different harmonic arrangement to me which clashed, lack of control by the organiser, i am afraid.FECKON CHEEK , AND FURTHERMORE THEY HAVE NOT HAD THE DECENCY TO APOLOGISE OR ASK ME BACK, WANKERS