St. Basil's Cathedral Musical Egg. The lower half of the Egg is Limoges porcelain hand painted in midnight blue with decor of gold leafy arabesques.The upper half of the Egg is hand cut crystal in a single large sunburst that centers at the crown of the Egg. The cut crystal top makes it possible to see the Cathedral even when the Egg is closed. The clasp is a medallion of the Romanov double headed eagle insignia. The melody played by the music box is a theme from Beethoven's Ninth Symphony.