Rainer Maria Ehrhardt began his career as Radio DJ for Radio Luxembourg and "Hessischer Rundfunk", Frankfurt. It didn´t take much time and you could hear him in a lot of commercials. With the foundation of his "MultiMedia-Studios" he had all possibilities to do his own audio-recordings. Later he started video production business as well. More than 600 Point-of-sale-videos were made by him and his company. As a former musician and production assistent of Frank Farian (Boney M., Milli Vanilli etc.) he also produced the music for these corporate videos.