Tech House Daily - MIXING SCIENCE FRIDAY, August 29, 2025. Today we're diving into the technical craft that separates weekend warriors from bedroom DJs - the science of seamless mixing. We break down key compatibility in Tech House - why A minor and its relatives (C major, F major, D minor) create harmonic tension that builds energy instead of clashing frequencies. It's musical mathematics that works every time. BPM transitions are where amateurs get exposed. The golden rule: never jump more than 4-6 BPM at once unless you're creating an intentional energy break. Tech House's sweet spot is 124-128 BPM, but the magic happens in the micro-adjustments. Phrase matching is crucial - Tech House is built on 32-bar phrases. When you mix on the 1 of a new 32-bar phrase, you're working with the track's natural energy flow instead of fighting it. EQ technique that prevents muddy bass clash: High-pass filter the incoming track until only mids and highs remain, then slowly introduce the bass as you fade out the previous track's low end. Loop rolling and hot cues aren't just tricks - they're tools for extending mix windows. Set your hot cues on the 1 of each major section, and use 4-bar or 8-bar loops to buy yourself time for perfect transitions. The psychology: dancers feel rhythm changes in their bodies before their minds process them. Smooth BPM transitions keep bodies moving while jarring key clashes break the hypnotic spell that keeps people dancing. Master these fundamentals, and you'll never clear a dancefloor again.