Daniel Lawson 4 keyboard

int notes[] = {262,294,330,349};

const int buttonRead = A0;
const int piezo = 8;
void setup()
{
Serial.begin(9600);

}

void loop()
{
int keyVal = analogRead(buttonRead);
Serial.println(keyVal);

if (keyVal >= 1020 && keyVal <= 1023)
{
tone(piezo, notes[0]);
}

else if (keyVal >= 990 && keyVal <= 1010)
{

  tone(piezo,notes[1]);
}
else if(keyVal >= 505 && keyVal <= 515)
{
  tone(piezo,notes[2]);
}
else if(keyVal >= 5 && keyVal <= 10)
{
  tone(piezo,notes[3]);
}

else
{
  noTone(piezo);
}

}