She evidently understood the science of music, and enjoyed it too.

She did not sing, and while she was playing the most brilliant polkas, waltzes, and variations with the most wonderful execution, she talked and laughed with those around the instrument, or looked round the apartment, and nodded to this one and that, her great black eyes flashing like chain lightning.

Her playing seemed to have a magical effect.

No one could keep their feet still.

Even the dignified president patted his, marking the measure of her prancing fingers.