In order to listen to RADIO LADA, your computer need to be
equipped with a soundchip or a soundcard as the SoundBlaster or the like.
Your Web-Browser must have a helper application for .ra files.
If you have not yet installed a helper application you can do so by
activating the OPTIONS menu of your browser, submenu PREFERENCES,
and then enter the correct program as an audio helper application for .ra
The RealAudio software you can download here: