@prefix dcterms: . @prefix ns1: . @prefix ns2: . @prefix rdfs: . @prefix skos: . a ns2:CreativeWork, ns2:MusicComposition ; rdfs:label "Porgy and Bess: Act I, Scene 1. Summertime" ; ns1:lbt ; ns1:lyr ; dcterms:contributor , ; dcterms:creator ; ns2:dateCreated "1935" ; skos:exactMatch , , , .