"LET THERE BE HAUS" by Motoe Haus is a production guide for creating electronic music tuned to 432Hz. This curriculum explores the mathematical and geometric principles behind this tuning, known as Pythagorean Sonic Geometry. It covers topics like the Factor 9 Grid, Cymatics, and aligning music with natural biological and cosmic frequencies. The book provides practical instructions for implementing 432Hz tuning in Bitwig Studio, including methods for audio clips and synthesizer plugins. It also introduces "The Fae Way," a production approach blending world mythology and authentic instruments from sacred regions. This guide is written for producers who want to understand the "how" and "why" behind 432Hz tuning, integrating theory with actionable production techniques.