Audio and video on this web site are streamed as Flash media. To playback the files, the Flash Player from Adobe must be installed on your computer. According to Adobe, 98% of computers in use today have the Flash Player installed. If you are part of the 2% that don't, you can download the software (available for both PC and Mac), from the Adobe web site. It is free and easy. The Adobe Flash Player site provides information on system requirements. Installation instructions are included with the download.
If you are connecting to the Internet by way of either a 5K modem, wireless with a weak signal, or a cable connection with heavy concurrent traffic, you may experience delays or errors in playing back the media.