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Hello, Dolly! is a 1964 musical with lyrics and music by Jerry Herman and a book by Michael Stewart. Based on Thornton Wilder's 1938 farce The Merchant of Yonkers (which Wilder revised and retitled The Matchmaker in 1955), the musical follows the story of Dolly Gallagher Levi (a strong-willed matchmaker), as she travels to Yonkers, New York, to find a match for the miserly "well-known unmarried half-a-millionaire" Horace Vandergelder.

Cornelius is determined to get a kiss before the night is over, but Barnaby isn't so sure. As the clerks have no money for a carriage, they tell the girls that walking to the restaurant shows that they've got "Elegance". At the Harmonia Gardens Restaurant, Rudolph, the head waiter, prepares his service crew for Dolly Gallagher Levi's return: their usual lightning service, he tells them, must be "twice as lightning" ("The Waiters' Gallop"). Horace arrives with his date, but she proves neither as rich nor as elegant as Dolly had implied; furthermore she is soon bored by Horace and leaves, as Dolly had planned she would. Cornelius, Barnaby, and their dates arrive, unaware that Horace is also dining at the restaurant. Irene and Minnie, inspired by the restaurant's opulence, order the menu's most expensive items. Cornelius and Barnaby grow increasingly anxious as they discover they have little more than a dollar left. Dolly makes her triumphant return to the Harmonia Gardens and is greeted in style by the staff ("Hello, Dolly!") She sits in the now-empty seat at Horace's table and proceeds to eat a large, expensive dinner, telling the exasperated Horace that no matter what he says, she will not marry him. Barnaby and Horace hail waiters at the same time, and in the ensuing confusion each drops his wallet and inadvertently picks up the other's. Barnaby is delighted that he can now pay the restaurant bill, while Horace finds only a little spare change. Barnaby and Cornelius realize that the wallet must belong to Horace. Cornelius, Irene, Barnaby and Minnie try to sneak out during "The Polka Contest", but Horace recognizes them and spots Ermengarde and Ambrose as well. The ensuing free-for-all culminates in a trip to night court. Cornelius and Barnaby confess that they have no money and have never been to New York before. Cornelius declares that even if he has to dig ditches the rest of his life, he'll never forget the day because he had met Irene. Cornelius, Barnaby, and Ambrose then each profess their love for their companion ("It Only Takes A Moment"). Dolly convinces the judge that their only crime was being in love. The judge finds everyone innocent and cleared of all charges, but Horace is declared guilty and forced to pay damages. Dolly mentions marriage again, and Horace declares that he wouldn't marry her if she were the last woman in the world. Dolly angrily bids him "So Long, Dearie", telling him that while he's bored and lonely, she'll be living the high life. The next morning, back at the hay and feed store, Cornelius and Irene, Barnaby and Minnie, and Ambrose and Ermengarde each set out on new life's paths. A chastened Horace Vandergelder finally admits that he needs Dolly in his life, but Dolly is unsure about the marriage until her late husband sends her a sign. Vandergelder spontaneously repeats a saying of Ephram's: "Money is like manure. It's not worth a thing unless it's spread about, encouraging young things to grow." Horace tells Dolly life would be dull without her, and she promises in return that she'll "never go away again" ("Hello, Dolly" (reprise)).
Hello, Dolly! (musical)