<http://data.carnegiehall.org/events/138/work_04> <http://www.w3.org/2000/01/rdf-schema#label> "Old American Songs" .
<http://data.carnegiehall.org/events/138/work_04> <http://schema.org/workPerformed> <http://data.carnegiehall.org/works/26678> .
<http://data.carnegiehall.org/events/138/work_04> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://data.carnegiehall.org/model/WorkPerformance> .