stay tuned for more of airplay: the rise and fall of rock radio. g radio bland and predictable. but then a new wave of progressive fm djs ignited a political and social revolution that helped end the vietnam war. in the next part of the show we'll get a look at the underground radio movement and see the birth of satellite radio. you know, this documentary is a tribute to radio's unsung heroes. many of these radio personalities are being seen and heard on television for the very first time in this film. we hope that you're enjoying this insightful look at the history of radio. we're also hoping that you will take the time right now and call in your financial support to this public television station so that we can produce and broadcast more documentaries just like this one in the very near future. and we have some great ways of saying thanks when you support us at certain levels. here's more about them. >> announcer: it was the music that changed our lives from the djs that brought it to us. it's the true story of the rise and fall of rock radio, tol