Nigeria, Jan. 21 -- Big calamities seldom knock before opening the door. Calamities' sneaky essence is articulated in one song by grand old Odolaye Aremu, Ilorin, Kwara State-born Dadakuada song minstrel. While philosophizing the concept of calamity, which Yoruba call "eemo", Odolaye sang that surprise and swiftness are primary features of calamities, holding tight to them like leaches. So he sang, "Peki laa k'eemo," (calamity is met suddenly). The singer points at horses used in races and in ancient wars meeting their own end unprepared during races. It is the same with soldiers who mount horses and ride them to death. Odolaye sang that, as sudden death pounces upon warhorses, so also do buffalos meet their end in the treacherous thicket...