The Backstory to Great Audio Storytelling, hosted by Rob Rosenthal, for Transom and PRX.
https://transom.org/topics/sound-school/
Edward Stephenson, Tobacco Auctioneer
Keys to good storytelling: strong, simple writing; solid voicing; professional recording & mixing; compelling characters; a seductive narrative; visuals.....What else? John Biewen describes "sure-handedness" in radio storytelling.