>> the world has reacted with immense shock and grief to the first rock and roll assassination. >> it was like in one moment the '60s and the '70s got murdered. >> in his life he's given more love than most men and women on the face of this earth. we're here to prove that love is not dead, even though john is. >> you start the decade with the death of a beatle. you don't really know where you're going to go from that point, you know, culturally or musically. >> for a while it seemed there was nothing new on the horizon. announcing the latest achievement in home entertainment. the power of sight. the power of sound. >> stereo. >> mtv. music television. >> we all are so excited about this new concept in tv. we'll be doing for tv what fm did for radio. >> at the time the world was saying we don't think anybody's going to watch videos over and over, but we knew we had something special.