8270 / 18210 · Workshop 66 — Melodic Development Through Guide Tones: Making 3rds and 7ths Sing, Connecting Chords Horizontally, and Building Lines That Explain the Harmony← prev⊞ allnext →
66.39Level 18 — borrowed iv
F → Fm → C.
Guide-tone-like inner line:
A→A♭→G.
We have used this constantly.
Now understand it as:
quality-defining 3rd of IV
→ minor 3rd
→ 5th of tonic.
One melodic line drives the harmony.