Early Styles (Musicians Active before 1930)
Early Country Blues
Early Urban Blues
Early Jazz Blues
Kansas City Blues
Later Styles
Post War Jazz Blues
Chicago Blues
Modern Blues (post 1950s)
Blues in conventional pop music
... The median age is 35 years. For every 100 females there are 95.1 males. For every 100 females age 18 and over, there are 89.3 males. The median income for a household ...