they hung him. >> vaudeville is created commercially to clean up humor. there's no cursing, there's no blasphemy, why? they want men, women and children to be able to come there. want a bigger audience. ♪ >> vaudevillian did something on stage that was objectionable, send a blue envelope backstage with the material they wanted excised from their act. that became the idea of the phrase blue material. >> say good night. >> good night. >> vaudeville comedy was accessible to all but concurrently another style of comedy that was different. burlesque houses like going to strip club. guys with trench coats to watch girls. different styles of comedy, different people performing