@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/bef4ce7a-31c5-44f9-af6d-e2d259cbe43c> a bf:Instance ;
    bf:adminMetadata [ 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/> ],
        [ a bf:AdminMetadata ;
            bf:agent <http://id.loc.gov/vocabulary/organizations/cbc> ;
            bf:date "2026-09-11T20:18:07.464823+00:00"^^xsd:dateTime ;
            bf:derivedFrom <http://id.loc.gov/resources/instances/15971434> ;
            bf:status <http://id.loc.gov/vocabulary/mstatus/c> ] ;
    bf:appliedMaterial [ a bf:AppliedMaterial ;
            rdfs:label "black ink" ] ;
    bf:carrier <http://id.loc.gov/vocabulary/carriers/nc> ;
    bf:dimensions "21 x 28 cm" ;
    bf:extent [ a bf:Extent ;
            rdfs:label "1 score (6 unnumbered pages)" ;
            bflc:appliesTo [ a bflc:AppliesTo ;
                    rdfs:label "score" ] ] ;
    bf:identifiedBy [ a bf:Lccn ;
            rdf:value "  2009547359" ],
        [ a bf:Local ;
            rdf:value "15971434" ] ;
    bf:instanceOf <https://stage.bcld.info/works/48bb5e99-2161-4034-931f-ec9cb3357c93> ;
    bf:issuance <http://id.loc.gov/vocabulary/issuance/mono> ;
    bf:media <http://id.loc.gov/vocabulary/mediaTypes/n> ;
    bf:note [ a bf:Note ;
            rdfs:label "For two pianos." ],
        [ a bf:Note ;
            rdfs:label "Title from caption." ],
        [ a bf:Note,
                <http://id.loc.gov/vocabulary/mnotetype/refcitation> ;
            rdfs:label "Tyson, Thematic catalog of the works of Muzio Clementi," ;
            bflc:citation "page 114" ],
        [ a bf:Note,
                <http://id.loc.gov/vocabulary/mnotetype/refcitation> ;
            rdfs:label "Albrecht, Census of autograph music manuscripts of European composers in American libraries," ;
            bflc:citation "576, 589" ],
        [ a bf:Note ;
            rdfs:label "Holograph manuscript in black ink, undated, of the duo from Clementi's oeuvre 1 (also referred to as opus 1a or opus 1bis). Some pages cut or torn into irregular shapes." ] ;
    bf:productionMethod [ a bf:ProductionMethod ;
            rdfs:label "holograph" ] ;
    bf:productionStatement "[date of production not identified]" ;
    bf:provisionActivity [ a bf:ProvisionActivity,
                bf:Publication ;
            bf:date "XXXX"^^<http://id.loc.gov/datatypes/edtf> ;
            bf:place <http://id.loc.gov/vocabulary/countries/xx> ],
        [ a bf:Production,
                bf:ProvisionActivity ;
            bflc:simpleDate "[date of production not identified]" ] ;
    bf:responsibilityStatement "di Muzio Clementi" ;
    bf:title [ a bf:Title ;
            bf:mainTitle "Duetto per 2 pianoforte" ] .