Latest version of Flash Player or google chrome is highly recommended
The controls are [A] [S] [D] [F]
Left Shift or [P] to pause
Xbox 360 controller support
Connect the controller if its not, and press A, the use [RB] [LB] [RT] [LT] to hit the notes

Guitar hero 360 controller
Connect the guitar and press the green button for the game to detect it, and play like you would normally play guitar hero.