@prefix ns1: . @prefix rdfs: . @prefix xsd: . a ns1:Event ; rdfs:label "Salzburg String Quartet" ; ns1:description "chamber music performance" ; ns1:location ; ns1:organizer , ; ns1:startDate "1970-04-28T20:30:00"^^xsd:dateTime ; ns1:subEvent , , , ; rdfs:comment "Entered from review (filed with Recital Hall programs)." .