Conversation so far:
who are the characters supposed to be in i'm dying up here
I'm Dying Up Here's main characters are composites of real people: Instead of matriarchal Comedy Store owner-operator Mitzi Shore, it’s Cellar owner-operator Goldie Herschlag.
do real-life people appear on the show i'm dying up here
The real world still exists on I’m Dying Up Here: Johnny Carson and Richard Pryor both make cameos, and characters make offhand remarks about The Comedy Store.

Question: what is the real life store
Self-contained rewrite: what is the real life Comedy Store