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In page Molly Malone:

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In the film A Clockwork Orange (1971), a drunk tramp sings "Molly Malone" in a tunnel before being assaulted by the Alex and his gang, whom Alex refers to as his "droogs".[1] In the film Premature Burial (1962), a character plays the melody to "Molly Malone" on the piano.[citation needed]