The Beginnings of American Jazz By A. Student Where did it come from? Jazz first developed in New Orleans, Louisiana The 1894 Racial Segregation Law forced Creoles to live on other side of Canal street, with African-American Neighbors. How was it created? Jazz was a mixture of the European harmony of the Creoles, and the African-American Blues, Gospel, and work-songs. Jazz is an African and European music hybrid. Who claims to have founded Jazz? Jelly-roll Morton claims to have created jazz music. In 1902, he applied a swing syncopation to all sorts of music (ragtime, opera, songs) and introduced the ‘two-bar break’ for solo improvisation. Jazz Today Jazz has become once of the most popular music styles. Jazz is always changing with new influences from around the world. Improvised solos remains highly characteristic of jazz music.