Oh, it’s best to listen with earphones or headphones. The magic won’t work with speakers. Not to mention, you won’t hear IU’s perfect and soothing voice singing both version.
http://file3.status.net/i/identica/jcsesecuneta-20120606T124359-wztyg5g.html
IU’s Rain Drop in Japanese and Korean At The Same Time : This is so cool. You can listen to #IU‘s http://ur1.ca/9gcl5 “Rain Drop” in Japanese and Korean at the same time. It’s amazing how our brain can process both at the same time. I can switch between the two languages at will.