Noa was right, so Isabel just put her whistle to her lips and began. Her brow furrowed in concentration, because it took more effort to actually transpose on an ocarina or whistle. It took monitoring your breathing...being conscious of the notes. Focus. She couldn't get excited or...well, who knew what else might turn blue?

But slowly, her plain white stone deepened in color, slowly changing from white to shimmery blue as she played. Best of all, it stayed that color once she stopped.