Click "Hide note names" above the piano to hide the note names. Click "Mark" to mark notes on the piano. Play the marked notes by clicking the "Play" button (only visible after notes have been marked) or pressing the spacebar on your keyboard.
Click "Hide note names" above the piano to hide the note names. Click "Mark" to mark notes on the piano. Play the marked notes by clicking the "Play" button (only visible after notes have been marked) or pressing the spacebar on your keyboard.