12923 / 18210 · Workshop 102 — Reduction and Recomposition: Strip a Finished Arrangement to Its Musical Skeleton, Then Build a Completely Different Arrangement from the Same DNA← prev⊞ allnext →
102.125Level 84 — transpose reharm logic
Original:
D-D♭-C.
In E♭ context as 2-♭2-1:
F-E-E♭.
Now derive:
Fm7-E7? Careful: function depends on desired tritone approach to E♭.
A tritone-sub approach to E♭ uses E7 → E♭ because E7 substitutes for B♭7.
So:
Fm7 → E7 → E♭maj7.
Bass:
F-E-E♭.
Relationship preserved.