VIDEO KILLED THE RADIO STAR 

The "Video killed the radio star" is a good things to the society but not to radio stars because it means that as the technology develops on the TV stars much famous and TV shows get much better than the radio then radio star and radio loss the popularity. 

"Wireless in 52" is referring radio.

"They took the credit for your second symphony, rewritten by machine and new technology" means that songs are rewritten by TV with the pictures and with the visual things. 

The music video of "VIDEO KILLED THE RADIO STAR"  says about the technology.