3-year-old piano prodigy set to perform at Carnegie Hall

Good News Notes: “This pint-size piano prodigy is truly note-worthy. A 3-year-old piano whiz became the youngest person ever to win a prestigious international music competition — earning her a performance spot at Carnegie Hall, her dad told The Post. Little Brigitte Xie, of Ridgefield, Conn., first started taking lessons to pass the time during the…