@prefix rdf: . @prefix efrbroo: . rdf:type efrbroo:F22_Self-Contained_Expression . @prefix rdfs: . rdfs:label "Che soave zeffiretto Duo la Comtesse et Suzanne" . @prefix mus: . @prefix ns4: . mus:U16_has_catalogue_statement ns4:K_492 ; mus:U68_has_variant_title "Acte III" , "Le nozze di Figaro" . @prefix ecrm: . ecrm:P102_has_title "Che soave zeffiretto Duo la Comtesse et Suzanne" . @prefix dc: . dc:identifier "20070159" .