If radio doesn’t appear, it means you haven’t installed the Flash plugin or that your version is too old. You must also activate Javascript.
DVD-Audio — Advanced Resolution: Surround 5.1 (MLP 4824) + Stereo (4824) •• DVD-Video [NTSC, multi-region]: Surround 5.1 (Dolby Digital) + Stereo (4824) ••• Mastering: Dominique Bassal