Music Fundamentals A Balanced Approach

Method 2: Using the size of intervals to construct a dominant seventh chord

• The dominant seventh chord consists of the following intervals:


• Onemay also draw a dominant seventh chord by adding a minor third (m3) above a major triad.

Exercise 3

Draw dominant seventh chords from the given root.

Note: One may also use the major key signature to assist in constructing a dominant seventh chord from a given
root. To do this, descendaperfect fifth (P5) from the given chord root (the V) to the tonic (I) to determine the
key signature. Apply the sharps or flats of the key signature to the chord.

SEVENTH CHORDS

375

M3 P5 m7 G7

GM triad m3 G7

Example Answer

DM triad m3 D7

F7 Ab 7 C7 C# 7 E7

Bb 7 G7 D7 A7 F7