Watch a theremin virtuoso play "Have Yourself a Merry Little Christmas"

Carolina Eyck became interested in the theremin when she was seven years old, and by the time she was 16 she developed a new theremin technique that is now being used around the world, according to her website. She debuted as a theremin musician with the Berlin Philharmonic and has since played in concerts in many countries, including the United States. — Read the rest