What a shame, I wanted to play a guitar hero-like game on newground... I have expected a better game. You could do better on this one.
Showing the arrow on the board instead to memorize it.
Once the control work and the game is playable, better start on graphic to make the game a better look.
The goal of the game is that it need to be workable, playable and entertaining.
Good luck on improving this game.