Dikshithar the composer is hearing the krithi from heaven.that is why ariyakudi is singing the krithi so often so that he doesn't disappoint dikshithar.
He truly deserved the title சங்கீத ரத்னாகர. Amazing piece. It should be noted that no one sings the second charanam in concert. That aspect was well appreciated by HH the Kanchi Seer Chandrasekara Saraswathi.