For those interested in exploring more about Hatsune Miku - Project DIVA X, here are some additional resources:
The game retains the series' classic "Play Like You’re Singing" style while adding new features: Hatsune Miku - Project DIVA X -PCSE00867- -NTSC-
This version features the original Japanese vocals with English localized menus and subtitles (romanized lyrics). For those interested in exploring more about Hatsune