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Summary
Table: Lesson 10
|
7th
chord |
Four
pitches built in thirds sounding simultaneously |
| root |
Pitch
on which the chord is built |
| third |
First
pitch above the root (either a major or minor third above) |
| fifth |
Second
pitch above the root (a fifth above) |
| seventh |
Third
pitch above the root (a seventh above) |
|
major
7th chord
|
Major
triad plus major seventh above root (or major third on
top) |
minor
7th chord |
Minor
triad plus minor seventh above root (or minor third on
top) |
major-minor
7th chord |
Major
triad plus minor seventh above root (or minor third on
top)
Also called "dominant seventh" when built on
5th scale degree |
half-diminished
7th chord |
Diminished
triad plus minor seventh above root (or minor third on
top) |
(fully)
diminished
7th chord |
Diminished
triad plus diminished seventh above root (or minor third
on top)
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