Cove raised her hand hand. "A is the standard tuning note." Cove was not one of the children that needed to know what an A sounded like, for she had perfect pitch. It came in handy when others in her orchestra needed help tuning. Taking out her wand, she said the incantation to herself. "Emodular A.... Emodular A..." she whispered. "Emodular A." Instantly the sound of a violin playing an A filled her ears. Her fingers were twitching to play her violin, but she didn't want to get in trouble.