According to Oxford dictionary the word mystery defined as “Something that is difficult or impossible to understand or explain”. So revealing it is to make it understandable or giving an acceptable explanation. The mystery mentioned here is the very special musical ability of Batticaloa lagoon which is iconic to Batticaloa. The lagoon is 56 kilometers long which extends from Eravur (Batticaloa District) in the north to Kalmunai (Ampara District) in the south. To full fill the criteria of a lagoon it