17620 / 18210 · Workshop 124 — Turning Your Music into a Lead Sheet and Performance Map: How to Notate Enough to Preserve the Composition Without Freezing Every Detail← prev⊞ allnext →
124.3The three-layer model
For a flexible original piece, divide material into:
Layer 1 — Canonical
Must remain recognizable.
Layer 2 — Flexible
May vary while preserving identity.
Layer 3 — Optional
Can appear or disappear entirely.