Advanced Secondary Functions
Dr. B Music Theory

Sequences

With the circle of 5th progression, you may substitute any secondary functions for any diatonic chords.

!%
Generic harmonic progression for major key.

Select major tonality:

%
Harmonic progression in selected key.

Let's choose these chords:

['M3','m7','iii7','d'],['M6','7','V7/ii','D2'],['A4','°7','vii°7/V','D2'],['P5','7','V7','D'],['P1','','I','T']
Q:1/1=40 %%piano2+2CD [V:C] "Em7"x | "A7"x | "F#°7"x | "G7"x | "C"x |] [V:D] "iii7"x | "V7/ii"x | "vii°7/V"x | "V7"x | "I"x |] [V:S] d | ^c | =c | !r>(!!red!B | !r>)!!blue!c |] [V:A] G | G | _E | !o>(!!orange!F | !o>)!E |] [V:T] B, | !blue!A, | A,, | !blue!G, | G, |] [V:B] E, | !blue!A,, | ^F, | !blue!G,, | !blue!C, |]

Let's try with another choices:

['M3','7','V7/vi','D2'],['A1','°7','vii°7/ii','D2'],['M2','7','V7/V','D2'],['P5','7','V7','D'],['P1','','I','T']
Q:1/1=40 %%piano2+2CD [V:C] "E7"x | "C#°7"x | "D7"x | "G7"x | "C"x |] [V:D] "V7/vi"x | "vii°7/ii"x | "V7/V"x | "V7"x | "I"x |] [V:S] d | _B | =c | !r>(!!red!B | !r>)!!blue!c |] [V:A] !blue!E | E | !blue!D | !o>(!!orange!F | !o>)!E |] [V:T] G, | G, | ^F, | !blue!G, | G, |] [V:B] !blue!E, | ^C, | !blue!D, | !blue!G,, | !blue!C, |]

Enharmonic Spelling

F ['M2/m3','m','ii|65','SD'],['P4','°7','vii°7/V','D2'],['P1/P5','','I|64','d'],['P5','','V','d']
Q:1/1=40 %%piano2+2CD K:F [V:C] "Gm7/Bb"x | "B°7"x | "F/C"x | "C"x |] [V:D] "ii65"x | "vii°7/V"x | "I64"x | "V"x |] [V:S] G | _A | =A | B |] [V:A] D | D | !blue!F | !blue!C |] [V:T] F, | F, | !blue!F, | E, |] [V:B] B,, | =B,, | C, | !blue!C, |]
Q:1/1=40 %%piano2+2CD K:F [V:C] "Gm7/Bb"x | "B°7"x | "F/C"x | "C"x |] [V:D] "ii65"x | "vii°7/V"x | "I64"x | "V"x |] [V:S] G | !red!^G | =A | B |] [V:A] D | D | !blue!F | !blue!C |] [V:T] F, | F, | !blue!F, | E, |] [V:B] B,, | =B,, | C, | !blue!C, |]

Deceptive Resolutions and Other Secondary Functions

We have:

Secondary submediant

We expect V7/vi to resolve on vi. In key of C, E7 is expected to go in Am.

In key of C, V7/vi - vi is E7 -> Am.
In key of Am, we can use the deceptive resolution V - VI that is E7 -> F
and use it back in key of C.

Let's analyse this sequence:

   F  E°/G      G#°7     A7    Bb   G#°7/B   F/C  C7  F
F: I  vii°6  vii°7/III  V7/vi  VI  vii°7/iii I64  V7  I

   I  vii°6   vii°7/V    V7    IV  vii°7/V   I64  V7  I
		        -------------------
		           in key of vi
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