Hatsune Miku: Project Diva F is a rhythm game that uses vocaloids, a pop-cultural phenomenon in Japan. So what are vocaloids? Well, the popular starlet Hatsune Miku is a vocaloid, for example; and neither she nor her voice are real. For a complete explanation, and for a detailed analysis of Project Diva F, please watch the video to learn for yourself.
Faries Reviews: Hatsune Miku: Project Diva F for PS3