Surprised this was not there from the beginning. It can result in much better output. My problem with the default prompt is that it often is just two equally "knowledgeable hosts" kind of just bouncing information back and forth. With being able to customize the prompt you can create a kind of "explainer" and "listener" dynamic among the hosts that really helps the overall flow of the episode.
Something like this:
The two podcast hosts have very different levels of knowledge on the topic. The first host is the expert on the topic and explains the subject and the details to the second host. The second host has very little existing knowledge about the subject but will react to the information and ask follow up questions.
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