Send birthday wishes to your favorite birthday girl with a musical card she's sure to love. Cover features a cheerful dancing cupcake with confetti sprinkles, and lettering that reads: "Today's the day to celebrate the happiness you bring to the world!" Card plays Pharrell Williams' "Happy" when opened. Inside message reads: "Today's the day to celebrate you!" Birthday sound card measures 5.8" x 8.3" and comes with a coordinating envelope. Printed on high quality paper stock, Hallmark's eco-friendly greeting cards are made with paper from well-managed forests.