A few Music Theory Tips for Game Music: Here are some slightly more complex harmonic techniques that can be useful in gamemusic :) Modal Interchange: For adding color or narrating something non-visual (in combination with melodic leitmotifs). Borrow chords from parallel modes (e.g., snagging a minor iv chord when you're mostly in a major key). It’s the fastest way to add sophisticated harmonic ambiguity. Non-Diatonic Chords: Use chords that are foreign to your key to introduce shock and tension.

The Mechanics of Parallel Key Changes

What Is A Key In Music? A Complete Guide

Example 6 - Line through (5, 2, -4), parallel to 3i + 2j - 8k

Parallel Processing | Overview, Limits & Examples