This separate time/command track includes timing data which reference a physical address in the audio track and an associated command that is to be implemented when {HEAD ~ playback} of the audio track reaches {TAIL ~ that physical address} 
reaches
This separate time / command track includes timing data which reference a physical address in the audio track and an associated command that is to be implemented when { HEAD ~ playback } of the audio track reaches { TAIL ~ that physical address }
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 HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL