Hessischer Rundfunk Chooses Mandozzi. Serix mixers, IDEA matrices at heart of German public broadcast project. By RadioWorld. Published: May 23, 2012 . Swiss firm Mandozzi Elettronica will be ...

The 1957 Eurovision Song Contest was held in Frankfurt am Main, Germany after Switzerland declined to host the contest for a second time. The 1957 Eurovision Song Contest was hosted by the Hessischer ...