New Orleans, Louisiana is often called the birthplace of jazz. The roots of jazz are in the work songs, spirituals, and hymns of African slaves brought to the United States in the 1800s. By the turn of the century, settlers from Europe had arrived in New Orleans, introducing new musical traditions such as Spanish flamenco, Irish jigs, and German waltzes. African-American musicians combined all of these styles. The thank to create a new kind of music, called “jazz”. Today, the term refers loosely to music with syncopated rhythms, “blue” notes, and improvisation. It is one of the most popular types of music in the world.