For the first 19 months, there were no live disc jockeys; instead, there were "vignettes" done by actors, informing listeners of the time, where the current hour was a part of the dialog.
There were no live disc jockeys. This was for the first 19 months. There were "vignettes". This was instead. The current hour was a part of the dialog. There was done by actors. This was instead. The current hour was a part of the dialog. There was informing listeners of the time. This was instead. The current hour was a part of the dialog.