Maybe you’ve heard the twelve-bar blues term in many songs, performances, YouTube videos, and so on.
The twelve-bar blues are the most popular chord progression in the blues genre, consisting of 12 bars that follow a chord’s specific order.
In twelve-bar blues, each phrase consists of 12 bars that the soloist can improvise over this phrase over and over. This phrase is known as chorus, and we usually have a turnaround at bar 12 to repeat the section or the phrase.
The most important chords in twelve-bar blues are I, IV, and V chords. The chord I is Tonic, the IV is Subdominant, and the V is Dominant.
Here is a structure of twelve-bar blues:
In the image above, you can see that the last chord of the twelve-bar is the V chord, which is a turnaround and gives the audiences an incomplete sense of ending and prepare them to turn back to the beginning of the chord progression ( Incomplete Cadence )
In this image, you can see that the last bar is the I chord or the Tonic chord, which is a full cadence.
Maybe you've heard the twelve-bar blues term in many songs, performances, YouTube videos, and so on. The twelve-bar blues are the most popular chord progression in the blues genre, consisting of 12 bars that follow a chord's specific order.
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