EMT Lesson Three How to create and play chords
Figure 12. The notes of the Bm7 chord (Enlarge)
You already know that a chord comprising of root note, minor third and perfect fifth is a minor chord.
When the interval between the perfect fifth and the seventh is three semitones (a minor third) this gives a flattened seventh (b7); not a major seventh. When the seventh is flattened, simply add the number ‘7’ on to the name of the triad. Therefore:
B + D + F# = B minor
Add flattened 7th = Bminor7
The chord we have created is Bminor7 (Bm7)
Therefore:
Minor 7th chord: 1, b3, 5, b7
Next: 7th chords