I–♭VII

The I–♭VII progression borrows the flat-seven chord from Mixolydian mode, giving a major-key vamp a bluesy, rootsy character. Its simplicity makes it a favorite in classic rock and folk-rock. The ♭VII adds a gritty tension that avoids the pull of a dominant V chord.

Pattern: I – ♭VII   Example in C Major: C – B♭

Genre: modal, rock   Difficulty: beginner

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Song Examples