Originally Posted by HiRoll3r

That's happening because Yahoo doesn't have the audio/adpcm MIME type configured (99% of webservers won't). With a lot of rarely-used file extensions, a browser won't know what to do with a file unless the webserver "tells" it what to do. Since Yahoo isn't telling the BB that a .adp file is an adpcm audio file, the BB doesn't know to open it in the media player.