Tokyo is the capital of Japan and the largest city in the world by population, with over 37 million people in the greater Tokyo area.

The Taisho period, which lasted from 1912 to 1926, was marked by political instability and social change, including the rise of labor unions and women's rights movements.

The compact disc (CD) was co-invented by Philips and Sony in the 1980s and has since replaced vinyl records as the primary means of music storage.