Time signature of 4/4
2. 12 bar Blues chord progression
3. uses three four-bar phrases
...lyrics have a three-line verse structure where the second line repeats the first, for example A A B.
4. Use of the Blues Scale
5. Call and Response
6. Originated in the Deep South of the US around the 1860s
...by African-Americans from roots in African-American work songs and spirituals.