Japanese popular music, also known as J-Pop, has become a global phenomenon. Characterized by catchy melodies, synchronized dance routines, and fashionable clothing, J-Pop groups like AKB48, Arashi, and Perfume have gained a massive following worldwide. J-Rock, or Japanese rock music, is another popular genre, with bands like X Japan, L'Arc-en-Ciel, and Radwimps achieving significant success both domestically and internationally.