Barry turned down the offer to play MC to the Beatle's concert that was set to happen in Milwaukee because there was no pay. He claimed that other musical groups paid him to play MC. When his musical director told him to accept the job, he called back.
Explanation: He was the sultanate of the Rum from 1092-1107 and started this specific crusade. It was also lead by Peter the Hermit as well as a commander.
