23.63Transition to IV
If next section starts on F:
prepare with:
Gm7 → C7 → F
That is ii–V of F.
So a section change can be announced harmonically before it happens.
If next section starts on F:
prepare with:
Gm7 → C7 → F
That is ii–V of F.
So a section change can be announced harmonically before it happens.