Besides, a memory part capable of storing files of the contents, and a signal reproducing part reproducing {HEAD ~ the files} of {TAIL ~ the contents} and generating the signal may be included inside the apparatus body 
Besides , a memory part capable of storing files of the contents , and a signal reproducing part reproducing { HEAD ~ the files } of { TAIL ~ the contents } and generating the signal may be included inside the apparatus body
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH