Here’s a fan made MikuMikuDance video. If you have never heard of MikuMikuDance, let me educate you. The girl you see is Hatsune Miku. She is the first character in the Vocaloid character vocal series. What is Vocaloid?
Vocaloid is a singing synthesizer application software developed by the Yamaha Corporation that enables users to synthesize singing by just typing in lyrics and melody.
Hatsune Miku’s voice was sampled from Saki Fujita, a Japanese voice actress. MikuMikuDance is a program that is used to choreograph Miku’s dance. It has sparked hundreds of videos in Japan, and has hit that viral status. For more information about MikuMikuDance, head over to MikuFan.com