Sideband

Controls:

Hit the notes as they come using the Y/B/A keys of your controller
Big blue notes requires you to click on X
(Note: For the 2nd player, X and B are reversed)
You can also play on the keyboard using WASD or the arrow keys
(W/↑: Top lane | D/→: Middle lane | S/↓: Bottom lane | A/←: Big blue notes)