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Pavarotti, 67, started the annual Modena charity concerts a decade ago

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Bono and Pavarotti first teamed up on the 1996 single Miss Sarajevo

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The pair, pictured here at rehearsals, sang a version of Ave Maria

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Blues guitarist Eric Clapton played his classic track Stormy Monday at the show

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Liza Minnelli could not make the show in person after falling and breaking her kneecap

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Puerto Rican pop star Ricky Martin also made an appearance at the Novi Sad park

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Bono said he was going to ask Italian leader Silvio Berlusconi for Third World aid while he was in Italy

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Pavarotti intends to retire from stage operas in 2005