void destroyNode(string key)
{
feedbackDisplay.addFeedback(getKeyValue(key));
try
{
GameObject obj = timing[key][0];
Destroy(obj);
timing["Flawless"].Remove(obj);
timing["Great"].Remove(obj);
timing["Good"].Remove(obj);
timing["Miss"].Remove(obj);
}
catch (System.NullReferenceException e) { }
}
