chord progressions category
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                 The foundational three-chord major-key progression: I–IV–V. Core to blues, rock, country, and early R&B. Supports quick-change and turnaround varia... more 
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                                1–5–4–5A classic four-chord progression derived from the major scale: I–V–IV–V. Often used as a repetitive vamp or turnaround in major-key blues, rock, an... more 
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                                Jazz/cadential staple: ii–V–I. Often extended with 7ths/alterations (e.g., Dm7–G7alt–Cmaj7). Enables smooth voice-leading via functional predominan... more 
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                                            Chord Progressions
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                                Chord ProgressionA sequence of chords organized over time to imply tonal direction, tension, and release. Progressions may follow functional harmony (tonic–predomin... more 
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