MikuMikuDance and Luka Megurine and Original Song and Sound Effect (test)
Reason like phase out sound of electric guitar.（Simple surround device）. The homophony opinion that only the singing voice is made the opposite phase is thrown. Only the singing voice dashes out when listening with the stereo to which a right and left speaker parts and it extends. My contribution animation in the past → mylist/15324568