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This week on the show- What earworm-worthy Sesame Street song was written by a Tuscan composer?\xa0 How were earthquakes measured before the Richter scale was invented? And, why did the producers of the horror film \u201cAliens\u201d need the help of the rock band, \u201cThe Who\u201d?\xa0\xa0 Listen, laugh and learn with Nick and Roy.

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