In the lower half of the Tracks screen you will see a keyboard. On it you will see yellow keys, green/blue keys, and a red bracket. In the lower left hand section you will see the "Decrement/Increment Transpose" buttons and in the lower right hand section you will see a "Choose Keys" button. Yellow Keys: These show the size of the keyboard that you have selected from your keyboard size test.

Green/Blue Keys: These show the keys that will be used during the game, or the "Playable Keys".

Red Bracket: This shows which keys you have decided to keep active (not grayed out on the on-screen keyboard. You can adjust this by using the "Choose Keys" button in the lower right hand section of the screen. Decrement/Increment Transpose: These will adjust where on your keyboard the playable keys will be.