Some scientists also claim it is the cause of the uneasy feelings and changes of emotion experienced in places believed to be haunted.
Mr O'Keefe added: "When places affect people physically and they aren't able to explain it, they often attribute their feelings to being near a ghost."
As the concert at the Metropolitan Cathedral was the first of its kind, the experiment must be repeated to ensure that the affects are caused by infrasound and not by another stimulus.
Two more recitals will be held on the same day in the Royal Festival Hall, London, with the vibra-tions created at varying points during the recital.
If successful, this will also prove the emotions were not caused by the atmosphere of the Cathedral.
The Soundless Music research is being under-taken by a team musicians, scientists and psychologists with the original concert held as part of the Symposium art and science conference run by John Moores University, The Wellcome Trust and Sciart Consortium.
