63.33Triad pair #5 — altered dominant

Now the powerful one.

Use:

G7alt → Cm.

From G altered:

G A♭ B♭ B D♭ E♭ F.

We want to reorganize some of those tensions into simple triads.

One useful conceptual pair:

A♭ minor + B♭ minor shapes can supply strong altered material, though context and enharmonic spelling matter.

Let's look more practically.