You got already English version?
Edit:
Okkey~~ I got it too Hmm... For my R4 Poke-Wood works normally... Wait, no, its freeze in start of battle, like Japanese non-patched version... >3> Hmm.. We need patch for US version!
@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