Chapter 12 | Minor Keys – A Different Home
The same note collection can tell a different story around a different tonic.
C major and A natural minor use the same seven notes. Their basic triad families also contain the same chords. What changes is which note and chord the music treats as home.
| C major | C | Dm | Em | F | G | Am | Bdim |
|---|---|---|---|---|---|---|---|
| A natural minor | Am | Bdim | C | Dm | Em | F | G |
Listen for the Centre
Play C – F – G – C and rest on C. Then play Am – Dm – Em – Am and rest on Am. Give the final chord extra time.
Both examples use the same underlying collection, but encourage different centres.
Starting on Am alone does not guarantee A minor. The melody, repeated emphasis, bass and phrase endings work together to establish the tonic.
Build the Minor Family
Use A natural minor and stack alternate scale notes, just as you did in Lesson 8. A–C–E makes Am. B–D–F makes Bdim.
Continue through the collection and the quality pattern becomes:
Minor – diminished – major – minor – minor – major – major.
| Degree | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|---|
| Numeral | i | ii° | III | iv | v | VI | VII |
| A minor | Am | Bdim | C | Dm | Em | F | G |
These are the diatonic triads of natural minor. Real minor-key songs often alter some of them, which we will hear shortly.
Relative Keys and Progressions
Use the shared collection, then make the tonic clear.
Find the Relative Pair
G major’s sixth degree is E, so E minor is its relative minor. Rotate the G major family so Em comes first: Em, F♯dim, G, Am, Bm, C and D.
D major’s relative minor is B minor. B natural minor contains B, C♯, D, E, F♯, G and A. The third degree, D, identifies its relative major.
Major → degree 6 → relative minor.
Natural minor → degree 3 → relative major.
Try Three E Minor Progressions
| Numerals | Chords |
|---|---|
| i – VII – VI – VII | Em – D – C – D |
| i – VI – III – VII | Em – C – G – D |
| i – iv – v – i | Em – Am – Bm – Em |
Play four beats per chord. Repeat the sequence, then end on Em. The final tonic helps you hear the minor centre even when major chords appear along the way.
Add a Melody That Knows the Chords
E natural minor gives you E, F♯, G, A, B, C and D. E minor pentatonic gives you E, G, A, B and D. Both are useful starting collections over these natural-minor progressions.
Try holding G over Em, then listen as the chord changes to C. G belongs to both chords.
Try A over Em and then over Am. Its relationship changes as the harmony changes.
A scale note can belong to the key without being a chord tone of the chord currently sounding.
When the Fifth Chord Turns Major
Minor keys often reach beyond the natural minor collection.
In A natural minor, the fifth-degree triad is Em: E, G and B. Change G to G♯ and it becomes E major.
The new G♯ is one semitone below A, pulling strongly toward the tonic.
| Progression | Fifth Chord | Note That Changes |
|---|---|---|
| Am – Dm – Em – Am | Em = E – G – B | G natural |
| Am – Dm – E – Am | E = E – G♯ – B | G♯ |
Hear the Leading Tone
Play G♯ at fret 4 on the high E string, then A at fret 5. That one-semitone rise is the leading-tone movement.
Now play E major followed by Am and listen for the same pull inside the chords.
A natural minor with G raised to G♯ is A harmonic minor: A, B, C, D, E, F and G♯. It is one important source of the major V chord in minor keys. We are introducing the reason here, not asking you to learn every harmonic minor shape.
The Fourth Can Change Too
Am – D – E – Am uses a major IV and major V. D contains F♯, while E contains G♯.
These notes change the colour; the music can still centre on A minor. A full treatment of minor-key variations can come later.
Let the Chord Guide the Melody
A natural minor does not contain G♯. Over E major, try G♯ instead of leaning on G natural.
Likewise, F natural can rub against the F♯ in D major. You may use tension deliberately, but hear it before calling it a mistake or a rule.
Minor is a key, not one unchanging seven-note box. Follow the tonic, the chords and the sound.
Check Your Understanding
Begin with natural minor, then identify the deliberate changes.
- Write the natural-minor triad-quality pattern.
- E major contains E, F♯m, G♯m, A, B, C♯m and D♯dim. Use the relative-minor shortcut to write C♯ natural minor’s chord family.
- Name the relative major of D minor and the relative minor of B♭ major.
- Label Am – F – C – G in A minor using our Roman numerals.
- Which note changes when Em becomes E major? Why does it help E lead back to Am?
- Name two starting scales for a melody over a progression drawn entirely from E natural minor.
- If C major and A natural minor share notes, what makes their keys different?
- Over E major in A minor, which note might you use instead of G natural?
Playing Task
Compare Am – Dm – Em – Am with Am – Dm – E – Am. Describe the change in the final approach to Am.
Check your answers
- Minor – diminished – major – minor – minor – major – major.
- C♯m, D♯dim, E, F♯m, G♯m, A and B. These are the diatonic triads from C♯ natural minor.
- D minor’s relative major is F major. B♭ major’s relative minor is G minor.
- i – VI – III – VII. Some analytical systems write ♭VI, ♭III and ♭VII to show their distances from the major scale; here the key’s natural-minor degrees provide the reference.
- G becomes G♯. G♯ lies one semitone below A and acts as a leading tone. The E major chord becomes V rather than the natural-minor v.
- E natural minor and E minor pentatonic. Listen to the current chord when choosing which notes to hold.
- Their tonal centres are different. C major centres on C and its major chord; A minor centres on A and its minor chord. The musical context establishes that centre.
- G♯, the major third of E and the leading tone to A.
Playing Task Answer
The second progression often makes the return to Am feel more directed because of G♯ rising to A.
Describe the actual effect you heard. Neither version needs to replace the other.
What to remember: natural minor gives you the basic family. A major V is a common variation, and the melody should respond to the notes in the harmony.