AKA: Dbj7, DbM7, DbMa7, DbMaj7, Db major7, DbΔ, DbΔ7
DbMaj7 Accordion Chord Chart
A Maj7th chord, also known as a major seventh chord, is a type of major chord (root, major 3rd and perfect 5th) that includes the major 7th interval. To play a Maj7th chord, you will typically use the root, major 3rd, perfect 5th, and major 7th notes of the major scale.
It can be built also stacking a major 3rd + a minor 3rd + a major 3rd intervals on top of each other. For example, starting with C as the root, you would stack a major 3rd (C, E), followed by a minor 3rd (E, G), and then a major 3rd interval (G, B), giving you the notes C, E, G, B, which form a CMaj7 chord.
The major 7th (C-B in a CMaj7 for example) is a dissonant interval. However, this tension is balanced by the inherent consonance of the major triad, giving Maj7th chords a stable yet ethereal, dreamy sound.
Maj7th Chords on Accordion
On Stradella bass system accordion, you can play Maj7th chords by combining a root note (or its major chord), with the minor chord built on the major 3rd interval.
For example, combining C and E minor, you get a CMaj7 chord (C, E, G, B) because C is the root and E minor (E, G, B), adds the 3rd (E), the 5th (G) and the major 7th (B).
In order to play this chord you will need to practice the position of your left hand. This is because there is a large leap from the root note to the minor chord, and you will need to develop muscle memory to quickly and accurately set your fingers in the correct position during a performance. Playing Maj7th chords smoothly and accurately takes time, so don’t be discouraged if you’re not able to do it on the first try.
D♭, F, A♭, C
R, 3°, 5°, 7°
D♭ + Fm
C# + Fm
4 + 2
5 + 2
or 2 + 5
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