The end of this period coincided with music radio becoming the dominant radio form .
The end of this period is often marked by the final CBS broadcasts of Suspense and Yours Truly , Johnny Dollar on September 30 , 1962 .
The end of this period coincided with music radio becoming the dominant radio form and is often marked by the final CBS broadcasts of Suspense and Yours Truly , Johnny Dollar on September 30 , 1962 .