 void checkSonar() {
 	int height = analogRead(1);
 
-	//if (debug) {
-	Serial.print("Distance:");
-	Serial.println(height);
-	//}
+	if (debug) {
+		Serial.print("Height:");
+		Serial.println(height);
+	}
 
 	if (height > 170) {
 		return;

		checkNotes(reflectedLightValues, pluckedNotes);
	}

	//It just read item 7. So going backwards, read items 6 through zero.
	for (int i = numberNotes - 2; i >= 0; i--) {
		reflectedLightValues[i] = stepTheMotorAndGetLightReading(BACKWARD);

	//and hope the player gets his act straight.
	int firstNote = -1;
	int secondNote = -1;
	if (harpNoteDetector.getNotes(firstNote, secondNote, pluckedNotes)) {
		if (debug) {
			if (firstNote >= 0) {
				Serial.print("==============PLUCKED 1: ");
				Serial.println(firstNote);
			}
			if (secondNote >= 0) {
				Serial.print("==============PLUCKED 2: ");
				Serial.println(secondNote);
			}
		}
		playNote(firstNote, secondNote);
