High-end Audio Distribution and Solutions. MasteringWorks is a European Distribution built upon an exclusive selection of high-end audio gear and networks with the leaders in the audio industry, providing you with studio solutions, support and innovative ideas. Beginning in 2009 Stefan Heger who first brought the Dangerous Music 2 Bus to Europe always maintained close relationships to the individual customer and created a unique distribution model. Besides the products of Dangerous Music, Sterling Modular, rockruepel and Guzauski-Swist, workshops and studio solutions are offered by MasteringWorks.