Chicago blues is a form of blues music that developed in Chicago, Illinois by taking the basic acoustic guitar and harmonica-based Delta blues, and adding electrically amplified guitar and bass guitar, drums, piano and sometimes, saxophone. The music was developed in the early 20th century when African-American workers started migrating from South America into the industrial cities of the North such as Chicago.
Chicago Blues has a more extended palette of notes than the standard six-note blues scale, which gives the music a more jazz feel. It is also known for its heavy rolling bass.
Well-known Chicago musicians include singer and songwriters such as Muddy Waters, Howlin' Wolf and Willie Dixon; guitar players such as Freddie King, Buddy Guy, Bo Diddley and Elmore James ("The King of Slide Guitar"); and harp (blues slang for harmonica) players such as Big Walter Horton, Little Walter, Sonny Boy Williamson I, Charlie Musselwhite and Junior Wells.
