the twelve-bar blues and the aaba are examples of chord progressions.
the twelve-bar blues and the aaba are examples of chord progressions.
the twelve-bar blues and the aaba are examples of?
chord progressions
twelve-bar blues









































the twelve-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, and v chords of a key.









































the blues can be played in any key. mastery of the blues and rhythm changes are "critical elements for building a jazz repertoire".









































section::::standard progressions.
twelve-bar blues
sixteen-bar blues









































the sixteen-bar blues can be a variation on the standard twelve-bar blues or on the less common eight-bar blues. sixteen-bar blues is also used commonly in ragtime music.









































section::::adaptation from twelve-bar progression.









































most sixteen bar blues are adapted from a standard twelve-bar progression.









































the standard twelve-bar blues progression is









































where each cell in the table represents one measure (or "bar"), "i" represents the tonic chord, "iv" the subdominant chord, and "v" the dominant chord. twelve-bar progressions are formed by applying one of several formulae, including the following.
sixteen-bar blues