Homework for Module 22

A. Tritone pairs

Memorize physically:

G ↔ D♭

D ↔ A♭

A ↔ E♭

E ↔ B♭

B ↔ F

F♯/G♭ ↔ C

Then make both sides dominant 7 chords.

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B. Standard versus tritone

Practice:

Dm7 → G7 → Cmaj7

then:

Dm7 → D♭7 → Cmaj7

Listen specifically to:

B → C

and:

F → E

in both.

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C. Other keys

Practice:

Am7 → D7 → Gmaj7

then:

Am7 → A♭7 → Gmaj7

And:

Gm7 → C7 → Fmaj7

then:

Gm7 → G♭7 → Fmaj7

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D. Secondary-dominant substitution

Compare:

A7 → Dm

with:

E♭7 → Dm

Then:

E7 → Am

with:

B♭7 → Am

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E. Backdoor cadence

Practice:

Fm7 → B♭7 → Cmaj7

Compare against:

Dm7 → G7 → Cmaj7

Then alternate them.

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F. Five ways home

In C, play:

1. G7 → C
2. B°7 → C
3. D♭7 → C
4. B♭7 → C
5. Fm → C

Describe the emotional difference in your own words.

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G. Held melody

Hold RH G.

Under it, try:

G7

D♭7

B♭7

Fm9

then resolve each to Cmaj7.

Listen to how G's harmonic meaning changes.

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H. Reharmonize one cadence

Take a familiar song.

Find one ordinary:

V7 → I

cadence.

Create:

• tritone-sub version
• backdoor version
• borrowed-iv version

Keep whichever one actually suits the melody.