"Kimi ga Yo" is the national anthem of Japan. The lyrics were written in the 9th century, making it one of the oldest anthems in the world. The music was composed in the late 19th century, and it is typically played during official ceremonies and events. The anthem's lyrics express wishes for the longevity and prosperity of the emperor and the nation. It reflects traditional Japanese values and is often associated with national pride. "Kimi ga Yo" is usually performed in a solemn manner, emphasizing its significance in Japanese culture and history.