I think the nuclear radiation resulting from the March Japan earthquakes affected a little more than the drinking water...
Oh, and try watching the video from 0:52 to a little onwards, with your eyes closed. Sounds like something the scriptwriters were doing.
"Thank you, Mr. Ando. I love you. Anytime you make me happy, and give me peace. I want to sleep on your chest tonight. Even though I smell like fish." - A Singing Fish. Did they hire Stephanie Meyer to write this stuff?
Not nearly as bad as the 'I have a bad case of diarrhea' song the Japanese did, though.