* DuelingGames: With ''VideoGame/GuitarHero'' and ''VideoGame/RockBand''.
* ExecutiveMeddling: Konami forced vocals to be excluded so it wouldn't compete with ''VideoGame/KaraokeRevolution''. To note, the original games in that franchise were co-developed with Harmonix, future developers of ''Rock Band'', which just so happens to re-use a lot of that game's mechanics.
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