4D Sports Boxing is a 3D boxing computer game of the 4D Sports series, with motion capture animation, developed by Distinctive Software, Inc. (DSI) from Vancouver under their secondary trade name Unlimited Software.
@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