Twelve-bar blues
（重定向自Twelve bar blues）
![Typical boogie woogie bassline on 12 bar blues progression in C, chord roots in red.](/Images/godic/202502/18/Twelve_bar_boogie-woogie_blues_in_C4558.png")
![The most common or standard 12-bar blues progressions variations, in C.Benward & Saker (2003), p. 186) Play A , B , C , D , and E as boogie woogie basslines. For example, Robert Johnson's](/Images/godic/202502/18/Standard_12-bar_blues_progression_variations4558.png")
The 12-bar blues or blues changes is one of the most prominent chord progressions in popular music. The blues progression has a distinctive form in lyrics, phrase, chord structure, and duration. In its basic form, it is predominantly based on the I-IV-V chords of a key.