sentences:  The Blue Meanies arrive in Pepperland and do everything they can to oppress the peaceful, music-loving paradise.This prompts one of Pepperland's sailors, the former Commander now newly appointed Lord Admiral "Old Fred" (or "Young Fred" according to the even older Lord Mayor) to escape in the Yellow Submarine of the title to find help.Old Fred journeys to Liverpool where he meets the Beatles, whom he enlists for help, because, as musicians, they would be able to restore harmony (and indeed melody) to Pepperland.