The relatives elaborated a voice recorded message and choose a music according to the patient preference, which were recorded in the same Compact Disc. Two identical CD's were made at the same recorded time; one with and another one without stimulus in order to make the random division of the groups. The patients were evaluated according to one of the Scales; they used earphones. During the sessions, the data relating to the vital signs and the face expression were recorded in a data collection instrument.