This 224 page book, which is accompanied by online media with over 10 hours of content, gives an in-depth insight into Rob's approach of working with subtractive synthesis.In 2001, Rob Papen began giving exclusive masterclasses teaching 'synthesizer sound design"e; in his studio. For these training sessions, Rob developed his own method to explain the secrets of subtractive synthesis, called "e;The 4 Element Synth"e;.This masterclass training is now transformed into a combined book and online media package that also delivers numerous 'tips and tricks' which will help you to design and tweak your own sounds. Throughout the masterclass, a variety of hardware and software synthesizers are explored. We are sure this synthesizer sound design training is an eye-opener for every synthesizer player, from novice to pro. A must have for everyone who takes his sounds seriously!