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7b5 Chords

Dominant seventh flat five chord (7b5) is a dominant seventh chord with a 5th lowered by a halftone. It consists of a Root, a major 3rd, a diminished 5th, and a minor 7th.

The Stradella bass system allows you to play 7b5 chords on the accordion combining the root bass with the dominant 7th chord of its tritone.

7b5 chords on Accordion in all keys: