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In page Liza Minnelli:

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Gest was so impressed with Minnelli's stamina and ability to stun audiences that he produced her in Liza's Back in Spring 2002, performing to rave reviews in London and New York City. The tour featured a tribute to her mother: after years of declining fans' pleas for her to sing Garland's signature song "Over the Rainbow", she concluded Act 1 with the final refrain of her mother's anthem to an instant ovation.[citation needed]