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How to play an A#6 chord on Accordion

AKA: A sharp 6, A#6, A#6th, A# add6, A#M6, A# Maj6, A# Major sixth, A# major6, A# sixth

A# Major 6th Accordion Chord Chart

The combined chord shown in this image is a major 6th chord without the 5th. To play a full sixth chord, you should also add the major chord of the root.

Major 6th chord

A major 6th chord is a four-note chord that contains the Root, the 3rd, the 5th, and the 6th of the major scale. In terms of intervals, a major sixth chord contains a major 3rd, perfect 5th, and major 6th. In other words, it’s a major triad with an added 6th.

The formula for major chords is R, 3°, 5°, 6°. For example, in C6 we have the notes C, E, G, A.

On a standard bass accordion, you can play major 6th chords by combining the Root with the minor chord of its 6th interval. For example, if C is the Root, adding an A minor (A, C, E) you get a C6(5th omitted). You should add the major chord of the Root to get a full 6th chord but the 5th doesn’t add any tension so it can be omitted.

Major 6th chords are very common in pop, rock, and jazz music.



A#, Cx, E#, Fx
(A#, D, F, G)


R, 3°, 5°, 6°

Left hand:

Enharmonic B♭ + Gm


4 + 2 or 5 + 2

2 + 5 or 2 + 4 on counter bass



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