The music of the United States is so cool! It reflects the country’s multicultural population through a diverse array of styles. Rock and roll, hip hop, country, rhythm and blues, and jazz are among the country’s most internationally renowned genres. Since the beginning of the 20th century, popular recorded music from the United States has become increasingly known across the world, to the point where some forms of American popular music is listened to almost everywhere. A history and an introduction in the ethnic music in the United States, American Indian music, classical music, folk music, hip hop, march music, popular music, patriotic music, as well as the American pop, rock, barbershop music, bluegrass music, blues, bounce music, Doo-wop, gospel, heavy metal, jazz, R&B, and the North American Western music.