March 3 is the day of the Dolls' (or Girls') Festival in Japan. It's called Hina-matsuri in Japanese. Most little girls will be given these dolls by parents and the one in this video is mine that my parents bought me when I was born, family crest is placed on the bottom of the red carpet. Dolls and their gadgets, dresses, or other ornaments, everything is really gorgeous and delicate in all details.
The song in this video is most popular song of Hina-matsuri that any Japanese knows.
↓By Wikipedia↓ Hinamatsuri, also called Dolls' Day or Girls' Day, is a special day in Japan. Hinamatsuri is celebrated each year on March 3. Platforms covered with a red carpet are used to display a set of ornamental dolls representing the Emperor, Empress, attendants, and musicians in traditional court dress of the Heian period.