B♭7 shapes on mandolin

B♭7 is B♭, D, F and A♭ — the 1, 3, 5 and ♭7 of B♭. On the mandolin there are 18 shapes to walk with ‹ ›; tap any note on the mandolin to pick the shape that holds it. Major triad plus a flat 7th — tense and bluesy About the dominant 7th →

Also written Bbdom7, Bb dominant 7, Bb dominant seventh, Bbdominant and Bb dom 7.