{HEAD ~ The method} includes closing an opened session by closing all opened sequential recording units of the opened session, opening a new session having a new sequential recording unit, and recording {TAIL ~ session start information} on the recording medium 
includes recording
{ HEAD ~ The method } includes closing an opened session by closing all opened sequential recording units of the opened session , opening a new session having a new sequential recording unit , and recording { TAIL ~ session start information } on the recording medium
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH