The comedians all finished their acts with a song. They would get a certain amount of money from the song publishers and would use that money to pay the writers. None of them paid very much for their comedy material, but it all added up. ↗
Comedians walk out, get a feel for the crowd. If it's not going good, we change directions. If we got to drag your momma into this thing, we will. Whatever we got to do. ↗
I mean, all alternative comedy is are comedians that have being doing it for so long, for so long, that they were relaxed enough to start becoming personal on stage. ↗