- - About 1930 to 1950
- - From the '30s to the '50s
- - Late 1920s to around 1950
- - Heyday for voice actors
- - Pre-television age
- - Heyday of many serials
- - When big bands thrived
- - Time before TV
- - When "Truth or Consequences" debuted
- - When soap operas first flourished
- - Golden age for voice acting
- - When there was lots of listening
- - Wave of waves?
- - Time of much listening
- - Time before television
- - The 30's and 40's, e.g.
- - Listening time?
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