Its done via motion capture most of the time. The amount of time and manpower you'd need to program these manually is ridiculous, not to mention wasteful.
Hmm, yeah, the promo pre-rendered movies for them maybe. But you have to remember the disclaimer that everything from the presentation was running on the hardware itself.
Replaces various music themes with music from the Final Fantasy VII REMAKE. Includes jukebox music choices for a few, where available.
https://www.nexusmods.com/finalfantasy7/mods/21?tab=files
@Xdqwerty, Osu! Tatakae! Ouendan! is the Japanese version of the game, different settings/characters/songs but otherwise identical mechanics. I played that before I knew about Elite Beat Agents lol. Both fantastic games https://en.wikipedia.org/wiki/Osu!_Tatakae!_Ouendan