- KeyStroke octave2Key = KeyStroke.getKeyStroke(KeyEvent.VK_F9, 0);
- KeyStroke octave4Key = KeyStroke.getKeyStroke(KeyEvent.VK_F10, 0);
- KeyStroke octave6Key = KeyStroke.getKeyStroke(KeyEvent.VK_F11, 0);
- KeyStroke octave8Key = KeyStroke.getKeyStroke(KeyEvent.VK_F12, 0);
+ KeyStroke octaveUpKey = KeyStroke.getKeyStroke(KeyEvent.VK_F9, 0);
+ KeyStroke octaveDownKey = KeyStroke.getKeyStroke(KeyEvent.VK_F10, 0);