When no such information is currently available, this channel will play music until the next point of interest is reached and {HEAD ~ the announcer} is superimposed on {TAIL ~ the music} 
When no such information is currently available , this channel will play music until the next point of interest is reached and { HEAD ~ the announcer } is superimposed on { TAIL ~ the music }
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 HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL