Filip Pietrzykowski at Red Mastering Studio, London is known to be one of the best Audio Mastering Engineers Online. In this video, he has shown a sample of Techno Music before and after the Mastering process. br br Do you also want to have your track mastered by us? Please visit br br All Styles of Music professionally Mixed & Mastered at an affordable price. Super Fast Delivery option also available. br br You can also check out the profile of our resident Mastering Engineer having an experience of 25+ years. br br br Our Clients leave our studio being very happy & satisfied.