<http://data.carnegiehall.org/events/19473/work_03> <http://www.w3.org/2000/01/rdf-schema#label> "Niagara, an American Tone Poem" .
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<http://data.carnegiehall.org/events/19473/work_03> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://data.carnegiehall.org/model/WorkPerformance> .