The term dixieland was first coined by Dan Emmett in his song "Dixie's Land" in 1859. It was not a positive term for African-Americans, as its usage defined any area of the south where slaves had not yet received emancipation. Dixieland music can be defined in a number of ways, though its origin is to be found in New Orleans, present first in the music of King Oliver. It quickly spread north and became popularized along with the migration of southern blacks to areas like Chicago. Today the term is used in reference to the music, which provides a general description of any form of jazz that is derived from early New Orleans jazz.