Seventh Chords and Scale Degrees

The following table shows the scale degrees where we find each type of seventh chord:

Chord Major Scale Natural Minor Scale Harmonic Minor Scale Melodic Minor Scale
Dominant 7th. V VII V IV, V
Major 7th. I, IV III, VI VI  
Minor 7th. II, III, VI I, IV, V IV II
Diminished 7th.     VII  
Half Diminished 7th. VII II II VI, VII
Augmented Triad,
Major Seventh
Minor Triad,
Major Seventh
    I I

Knowing the type of sevenths found in each scale degree may be useful when identifying seventh chords.

© 2011 J. Rodríguez Alvira

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