@prefix bf: <http://id.loc.gov/ontologies/bibframe/> .
@prefix bflc: <http://id.loc.gov/ontologies/bflc/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://stage.bcld.info/instances/b934d89b-61df-43a1-ba94-a6ea6f637d87> a bf:Instance ;
    bf:adminMetadata [ a bf:AdminMetadata ;
            bf:agent <http://id.loc.gov/vocabulary/organizations/cbc> ;
            bf:date "2026-09-11T20:12:18.241169+00:00"^^xsd:dateTime ;
            bf:derivedFrom <http://id.loc.gov/resources/instances/6241032> ;
            bf:status <http://id.loc.gov/vocabulary/mstatus/c> ],
        [ a bf:AdminMetadata ;
            bflc:catalogerId "Unknown" ;
            bf:date "2026-09-11" ;
            bf:descriptionAuthentication <http://id.loc.gov/vocabulary/marcauthen/pcc> ;
            bf:descriptionLanguage <http://id.loc.gov/vocabulary/languages/eng> ;
            bf:descriptionLevel <http://id.loc.gov/ontologies/bibframe-2-6-0/> ] ;
    bf:baseMaterial [ a bf:BaseMaterial ;
            rdfs:label "vinyl" ;
            bf:source [ a bf:Source ;
                    bf:code "rdamat" ] ],
        <http://id.loc.gov/vocabulary/mmaterial/pla> ;
    bf:carrier <http://id.loc.gov/vocabulary/carriers/sd> ;
    bf:dimensions "12 in" ;
    bf:extent [ a bf:Extent ;
            rdfs:label "4 audio discs" ;
            bf:note [ a bf:Note,
                        <http://id.loc.gov/vocabulary/mnotetype/physical> ;
                    rdfs:label "33 1/3 rpm, stereo" ] ] ;
    bf:identifiedBy [ a bf:AudioIssueNumber ;
            bf:assigner [ a bf:Organization ;
                    rdfs:label "BJR Enterprises" ] ;
            rdf:value "BJRS 1411--BJRS 1414" ],
        [ a bf:AudioIssueNumber ;
            bf:assigner [ a bf:Organization ;
                    rdfs:label "BJR Enterprises" ] ;
            bf:qualifier "disc 2" ;
            rdf:value "BJRS 1412" ],
        [ a bf:AudioIssueNumber ;
            bf:assigner [ a bf:Organization ;
                    rdfs:label "BJR Enterprises" ] ;
            bf:qualifier "container spine" ;
            rdf:value "BJRS 141-4" ],
        [ a bf:AudioIssueNumber ;
            bf:assigner [ a bf:Organization ;
                    rdfs:label "BJR Enterprises" ] ;
            bf:qualifier "disc 3" ;
            rdf:value "BJRS 1413" ],
        [ a bf:AudioIssueNumber ;
            bf:assigner [ a bf:Organization ;
                    rdfs:label "BJR Enterprises" ] ;
            bf:qualifier "disc 1" ;
            rdf:value "BJRS 1411" ],
        [ a bf:Lccn ;
            rdf:value "   78761438 " ],
        [ a bf:AudioIssueNumber ;
            bf:assigner [ a bf:Organization ;
                    rdfs:label "BJR Enterprises" ] ;
            bf:qualifier "disc 4" ;
            rdf:value "BJRS 1414" ] ;
    bf:instanceOf <https://stage.bcld.info/works/6ba0a21a-9796-4fee-8852-ad5f72def01d> ;
    bf:issuance <http://id.loc.gov/vocabulary/issuance/mono> ;
    bf:media <http://id.loc.gov/vocabulary/mediaTypes/s> ;
    bf:note [ a bf:Note ;
            rdfs:label "Program notes and synopsis by Eric Zafran and French libretto by C. du Locle and A. Blau with English translation by Zafran (11 pages : illustrations) inserted in container." ],
        [ a bf:Note ;
            rdfs:label "Opera in 4 acts and 9 tableaux; libretto by Camille du Locle and Alfred Blau. Based on a mixture of Norse legends and the epic poem, the Nibelungenlied." ],
        [ a bf:Note ;
            rdfs:label "BJR Enterprises: BJRS 1411-BJRS 1414 (on container: BJRS 141-4)." ],
        [ a bf:Note ;
            rdfs:label "In container; manual sequence." ],
        [ a bf:Note ;
            rdfs:label "\"Private recording.\"" ] ;
    bf:provisionActivity [ a bf:ProvisionActivity,
                bf:Publication ;
            bflc:simpleAgent "BJR Enterprises" ;
            bflc:simpleDate "[1977?]" ;
            bflc:simplePlace "New York" ],
        [ a bf:Distribution,
                bf:ProvisionActivity ;
            bf:date "1977"^^<http://id.loc.gov/datatypes/edtf> ;
            bf:place <http://id.loc.gov/vocabulary/countries/nyu> ],
        [ a bf:Production,
                bf:ProvisionActivity ;
            bf:date "1974"^^<http://id.loc.gov/datatypes/edtf> ] ;
    bf:publicationStatement "New York: BJR Enterprises, [1977?]" ;
    bf:responsibilityStatement "Ernest Reyer" ;
    bf:soundCharacteristic [ a bf:PlayingSpeed ;
            rdfs:label "33 1/3 rpm" ],
        <http://id.loc.gov/vocabulary/mcapturestorage/aes>,
        <http://id.loc.gov/vocabulary/mgroove/lateral>,
        <http://id.loc.gov/vocabulary/mgroove/micro>,
        <http://id.loc.gov/vocabulary/mplayback/ste>,
        <http://id.loc.gov/vocabulary/mplayspeed/b>,
        <http://id.loc.gov/vocabulary/mrectype/analog> ;
    bf:title [ a bf:Title ;
            bf:mainTitle "Sigurd" ] .