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! A{{7}} !! Am{{7}} !! B{{7}} !! Bm{{7}} !! B{{hdim7}}
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! B{{fdim7}} !! C{{7}} !! C{{maj}}{{7}} !! D{{7}} !! Dm{{7}}
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! D{{maj}}{{7}} !! D+{{7}} !! E{{7}} !! Em{{7}} !! E{{maj}}{{7}}
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! E{{hdim7}} !! F{{maj}}{{7}} !! G{{7}} !! G{{maj}}{{7}}
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→Why/When 7ths?
{{Top-Level Crumbs|1}}
{{Lesson Crumbs|2}}
{{Intermediate Lesson Crumbs|13}}
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! Member Notes !! Spelling !! Ex.Example
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| (R M3 P5 m7) || R{{7}} (R = Root Note) || G{{7}}, (G B D A)
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! E{{7}} !! E{{7}} !! G{{7}} !! A{{7}} !! C{{7}} !! D{{7}}
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! C{{7}} !! D{{7}}
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| (R M3 P5 M7) || R{{maj}}{{7}} (R = Root Note) ''or'' R maj{{7}} || C{{maj}}{{7}}, (C E G B) ''or'' C maj{{7}}
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| (R m3 P5 m7) || Rm{{7}} (R = Root Note) || Dm{{7}}, (D F A C)
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| (R m3 d5 m7) || R{{hdim}}{{7}} (R = Root Note) || B{{hdim}}{{7}}, (B D F A)
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| (R m3 d5 d7) || R{{dim}}{{7}} (R = Root Note) || B{{dim}}{{7}}, (B D F A{{f}})
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| (R m3 P5 M7) || Rm{{maj}}{{7}} (R = Root Note) ''or'' Rm maj{{7}} || Dm{{maj}}{{7}}, (D F A C{{s}}) ''or'' Dm maj{{7}}
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| (R M3 a5 M7) || R+{{7}} (R = Root Note) || C+{{7}}, (C E G{{s}} B)
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A{{7}}<br>
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Am{{7}}<br>
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B{{7}}<br>
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Bm{{7}}<br>
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B{{hdim7}}<br>
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B{{fdim7}}<br>
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C{{7}}<br>
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C{{maj}}{{7}}<br>
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D{{7}}<br>
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Dm{{7}}<br>
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D{{maj}}{{7}}<br>
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D+{{7}}<br>
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E{{7}}<br>
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Em{{7}}<br>
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E{{maj}}{{7}}<br>
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E{{hdim7}}<br>
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F{{maj}}{{7}}<br>
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F{{maj}}{{7}}<br>
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G{{7}}<br>
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G{{maj}}{{7}}<br>
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In general, 7ths can be used to get a more complex sound than a basic triad. Added on top of major/minor triads typically makes them feel less resolved. This is particularly handy for the Dominant 7th, as the dominant (V) chord is generally desired to feel tense, seeking resolution to the tonic (I or i). Adding a 7th to the tonic triad weakens its sense of resolution; however, it still serves as tonic and is the guiding beacon for the harmony. The tonic 7th can give a feeling of incomplete resolution, making the music feel more relaxed and flowing than seeking completion.
''The most common use of 7th chords comes in the form of '' V{{7}} - I (or V{{7}} - i) ''progressions.''
As noted for the augmented 7th and half diminished 7th Chords, the 7th helps add consonance and lightens the feel of the basic triad, while adding a richer harmony to it and making it feel more complex. complExample I recommend always using the half diminished 7th over the triad when diatonic to the current key, especially as the vii{{hdim}}{{7}} chord of a major key.
Sevenths can also be desirable for voice leading purposes. Or it may simply be implied by a melody line.
== Homework ==
* Learn the different varieties of 7th chords, in terms of their names and the intervals against the root note.
* Learn at least 1 barre chord shape for each variety of 7th chord
* Learn all the diatonic 7th chords for C Major/A Natural Minor in open position.
* Learn all the diatonic 7th chords for A Harmonic Minor in open position.
* Learn several chords that are non-diatonic are non-diatonic to C Major/A Minor in open position.
* Know that the V{{7}}-I or V{{7}}-i is possibly the strongest harmonic resolution possible in Western music.
* Play the sample progressions above.
* Play progressions from previous lessons, particularly the circle progression, substituting in 7th chords. Get a feel for when 7th chords are appropriate and when they are not, based on the harmonic function of the chord as well as the style of music.
* Create your own progressions, substituting in diatonic 7th chords.
{{loud|Congratulations! You are ready to move on to [[Contents#Advanced Lessons|the advanced lessons]].}}
== Q & A ==
== Related Lessons ==
* [[C Major Chord]]
* [[E Minor, D Minor, and A Minor Chords]]
* [[Music Theory - Diatonic Chord Progressions]]
* [[B Diminished]]
* [[Music Theory - Minor Keys]]
* [[Harmonic Minor and Augmented Chords]]
* [[Extended Chords]]
{{top}}