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11th Chords

Dominant seventh ninth eleventh chords (11th) consist of a Root, a major 3rd, a perfect 5th, a minor 7th, a 9th, and an 11th note of the major scale built on the root.

Stradella bass system allows you to play 9/11 chords on the accordion combining the root bass with the major chord of its minor 7th degree.

11th chords on Accordion in all keys: