<http://data.carnegiehall.org/events/257/work_13> <http://data.carnegiehall.org/vocabulary/roles/contralto> <http://data.carnegiehall.org/names/23998> .
<http://data.carnegiehall.org/events/257/work_13> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://data.carnegiehall.org/model/WorkPerformance> .
<http://data.carnegiehall.org/events/257/work_13> <http://schema.org/workPerformed> <http://data.carnegiehall.org/works/62234> .
<http://data.carnegiehall.org/events/257/work_13> <http://data.carnegiehall.org/vocabulary/roles/soprano> <http://data.carnegiehall.org/names/8551> .
<http://data.carnegiehall.org/events/257/work_13> <http://purl.org/ontology/mo/performer> <http://data.carnegiehall.org/names/23998> .
<http://data.carnegiehall.org/events/257/work_13> <http://www.w3.org/2000/01/rdf-schema#label> "Norma: Duet" .
<http://data.carnegiehall.org/events/257/work_13> <http://purl.org/ontology/mo/performer> <http://data.carnegiehall.org/names/8551> .