Piano Rabbit Hole: Improvisation Theory & Practice
95.98 Level 53 — simplification is legitimate
11661 / 18210 · Workshop 95 — Arranging by Ear from a Recording: Extracting Melody, Bass, Harmony, Groove, Texture, and Form Without Depending on a Lead Sheet← prev⊞ allnext →

95.98Level 53 — simplification is legitimate

Original recording might contain:

Cmaj13♯11.

Your arrangement may use:

E-B-F♯

under melody A.

Reduction of Cmaj13♯11 · melody A on top

That already communicates:

major + Lydian color.

Do not chase completeness.