The double album "Spheres of Resonance" contains central works from Ludger Brümmer's compositional oeuvre. In these, Ludger Brümmer not only explores new timbres or new musical architectures, but also attempts to resolve the ontological discontinuity between macro- and microstructure inherent in traditional musical writing. Central to Ludger Brümmer's compositional concept are the methods of granular synthesis and physical modeling all controlled by custom-made algorithms. The pieces "Gesualdo", "Carlo", "Glass Harp" and "Falling" on this album were created with the help of granular synthesis. This method can be described as an image that is cut into small particles and reassembled. The sonic results of such an operation can certainly be compared to the painting of the pointillists. For the works "Cellularium", "Spheres of Resonance", "Lizard Point" and "Gestalt" the simulation software GENESIS was used. This is a method by means of which the material and vibration properties of real objects can be imitated extremely realistically and the slowed down course of the vibration can be viewed in detail. Ludger Brümmer uses these means to create a dramatic world of sound in which the sound structure plays a major, almost expressive role. In many works the interaction with historical material is central - an attempt to build a new language on old foundations, with sometimes astonishing results. The album "Ludger Brümmer: Spheres of Resonance", published by WERGO within the Edition ZKM, is a result of the project EASTN-DC and funded by the program "Creative Europe". The second double album "Ludger Brümmer: Sonic Patterns" will be released by WERGO at the end of 2022.