"twelve-bar blues" meaning in English

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        "A blues form built on a twelve-measure chord progression, most typically based around the tonic, subdominant and dominant seventh chords of a key."
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        "(music) A blues form built on a twelve-measure chord progression, most typically based around the tonic, subdominant and dominant seventh chords of a key."
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        {
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          "word": "turnaround"
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