BookatlasPiano Rabbit Hole: Improvisation Theory & Practice
2699 / 18210 · Workshop 8 — “There Will Never Be Another You”: Faster Changes, Secondary Dominants, and Thinking in Harmonic Flow← prev⊞ allnext →

8.6Secondary dominants

Suppose the harmony wants to reach Gm.

The dominant of G is:

D7

D7 = D F♯ A C

So even though D7 is not diatonic to E♭ major, it can appear temporarily.

That is:

V7/iii

if Gm is iii in E♭.

The key altered note is:

F♯

because:

D7 = D F♯ A C.