Syncopated music (ragged time) in 2/4 rhythm, usually played on piano. It developed in the USA among black musicians in the late 19th century; it was influenced by folk tradition, minstrel shows, and marching bands, and was later incorporated into jazz. Scott Joplin was a leading writer of ragtime pieces, called rags.
The flag is modelled on the Stars and Stripes of the United States' flag. The stripes represent the nine provinces at the time of liberation. Blue and white are the colours of Argentina and also of national hero, José Gervasio Artigas. Effective date: 12 July 1830.