@base <#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix : <> .
@prefix af: <http://purl.org/ontology/af/> .
@prefix dc: <http://purl.org/dc/elements/1.1/> .
@prefix event: <http://purl.org/NET/c4dm/event.owl#> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix mo: <http://purl.org/ontology/mo/> .
@prefix ov: <http://open.vocab.org/terms/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix tl: <http://purl.org/NET/c4dm/timeline.owl#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<>
    ov:confidence "0.95" ;
    ov:versionnumber "2.0" ;
    dc:created "2009-10-20" ;
    a foaf:Document .

:chord_000001
    event:time [
        tl:beginsAt "PT0S"^^xsd:duration ;
        tl:duration "PT1.015S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "D/2" .

:chord_000002
    event:time [
        tl:beginsAt "PT1.015S"^^xsd:duration ;
        tl:duration "PT0.687S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "A/5" .

:chord_000003
    event:time [
        tl:beginsAt "PT1.701S"^^xsd:duration ;
        tl:duration "PT1.625S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "E" .

:chord_000004
    event:time [
        tl:beginsAt "PT3.327S"^^xsd:duration ;
        tl:duration "PT0.755S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "D/2" .

:chord_000005
    event:time [
        tl:beginsAt "PT4.081S"^^xsd:duration ;
        tl:duration "PT0.697S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "A/5" .

:chord_000006
    event:time [
        tl:beginsAt "PT4.778S"^^xsd:duration ;
        tl:duration "PT1.509S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "E" .

:chord_000007
    event:time [
        tl:beginsAt "PT6.287S"^^xsd:duration ;
        tl:duration "PT0.72S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "D" .

:chord_000008
    event:time [
        tl:beginsAt "PT7.007S"^^xsd:duration ;
        tl:duration "PT0.557S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "A" .

:chord_000009
    event:time [
        tl:beginsAt "PT7.564S"^^xsd:duration ;
        tl:duration "PT1.591S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "E" .

:chord_000010
    event:time [
        tl:beginsAt "PT9.155S"^^xsd:duration ;
        tl:duration "PT0.72S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "D" .

:chord_000011
    event:time [
        tl:beginsAt "PT9.875S"^^xsd:duration ;
        tl:duration "PT0.522S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "A" .

:chord_000012
    event:time [
        tl:beginsAt "PT10.397S"^^xsd:duration ;
        tl:duration "PT1.579S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "E" .

:chord_000013
    event:time [
        tl:beginsAt "PT11.976S"^^xsd:duration ;
        tl:duration "PT1.44S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "G" .

:chord_000014
    event:time [
        tl:beginsAt "PT13.416S"^^xsd:duration ;
        tl:duration "PT1.428S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "B" .

:chord_000015
    event:time [
        tl:beginsAt "PT14.844S"^^xsd:duration ;
        tl:duration "PT0.731S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "C" .

:chord_000016
    event:time [
        tl:beginsAt "PT15.575S"^^xsd:duration ;
        tl:duration "PT0.546S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "D" .

:chord_000017
    event:time [
        tl:beginsAt "PT16.121S"^^xsd:duration ;
        tl:duration "PT1.602S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "E" .

:chord_000018
    event:time [
        tl:beginsAt "PT17.723S"^^xsd:duration ;
        tl:duration "PT0.731S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "C" .

:chord_000019
    event:time [
        tl:beginsAt "PT18.455S"^^xsd:duration ;
        tl:duration "PT0.546S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "D" .

:chord_000020
    event:time [
        tl:beginsAt "PT19S"^^xsd:duration ;
        tl:duration "PT1.591S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "E" .

:chord_000021
    event:time [
        tl:beginsAt "PT20.591S"^^xsd:duration ;
        tl:duration "PT0.755S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "D/2" .

:chord_000022
    event:time [
        tl:beginsAt "PT21.346S"^^xsd:duration ;
        tl:duration "PT0.72S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "A/5" .

:chord_000023
    event:time [
        tl:beginsAt "PT22.065S"^^xsd:duration ;
        tl:duration "PT1.474S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "E" .

:chord_000024
    event:time [
        tl:beginsAt "PT23.54S"^^xsd:duration ;
        tl:duration "PT0.72S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "D/2" .

:chord_000025
    event:time [
        tl:beginsAt "PT24.26S"^^xsd:duration ;
        tl:duration "PT0.766S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "A/5" .

:chord_000026
    event:time [
        tl:beginsAt "PT25.026S"^^xsd:duration ;
        tl:duration "PT1.509S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "E" .

:chord_000027
    event:time [
        tl:beginsAt "PT26.535S"^^xsd:duration ;
        tl:duration "PT0.697S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "D" .

:chord_000028
    event:time [
        tl:beginsAt "PT27.232S"^^xsd:duration ;
        tl:duration "PT0.557S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "A" .

:chord_000029
    event:time [
        tl:beginsAt "PT27.789S"^^xsd:duration ;
        tl:duration "PT1.637S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "E" .

:chord_000030
    event:time [
        tl:beginsAt "PT29.426S"^^xsd:duration ;
        tl:duration "PT0.708S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "D" .

:chord_000031
    event:time [
        tl:beginsAt "PT30.134S"^^xsd:duration ;
        tl:duration "PT0.546S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "A" .

:chord_000032
    event:time [
        tl:beginsAt "PT30.68S"^^xsd:duration ;
        tl:duration "PT1.579S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "E" .

:chord_000033
    event:time [
        tl:beginsAt "PT32.259S"^^xsd:duration ;
        tl:duration "PT1.416S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "G" .

:chord_000034
    event:time [
        tl:beginsAt "PT33.675S"^^xsd:duration ;
        tl:duration "PT1.416S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "B" .

:chord_000035
    event:time [
        tl:beginsAt "PT35.092S"^^xsd:duration ;
        tl:duration "PT0.731S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "C" .

:chord_000036
    event:time [
        tl:beginsAt "PT35.823S"^^xsd:duration ;
        tl:duration "PT0.546S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "D" .

:chord_000037
    event:time [
        tl:beginsAt "PT36.369S"^^xsd:duration ;
        tl:duration "PT1.625S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "E" .

:chord_000038
    event:time [
        tl:beginsAt "PT37.994S"^^xsd:duration ;
        tl:duration "PT0.72S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "C" .

:chord_000039
    event:time [
        tl:beginsAt "PT38.714S"^^xsd:duration ;
        tl:duration "PT0.546S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "D" .

:chord_000040
    event:time [
        tl:beginsAt "PT39.26S"^^xsd:duration ;
        tl:duration "PT1.614S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "E" .

:chord_000041
    event:time [
        tl:beginsAt "PT40.873S"^^xsd:duration ;
        tl:duration "PT0.743S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "D/2" .

:chord_000042
    event:time [
        tl:beginsAt "PT41.617S"^^xsd:duration ;
        tl:duration "PT0.731S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "A/5" .

:chord_000043
    event:time [
        tl:beginsAt "PT42.348S"^^xsd:duration ;
        tl:duration "PT1.521S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "E" .

:chord_000044
    event:time [
        tl:beginsAt "PT43.869S"^^xsd:duration ;
        tl:duration "PT0.824S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "D/2" .

:chord_000045
    event:time [
        tl:beginsAt "PT44.693S"^^xsd:duration ;
        tl:duration "PT0.755S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "A/5" .

:chord_000046
    event:time [
        tl:beginsAt "PT45.448S"^^xsd:duration ;
        tl:duration "PT1.544S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "E" .

:chord_000047
    event:time [
        tl:beginsAt "PT46.992S"^^xsd:duration ;
        tl:duration "PT0.685S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "D" .

:chord_000048
    event:time [
        tl:beginsAt "PT47.677S"^^xsd:duration ;
        tl:duration "PT0.546S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "A" .

:chord_000049
    event:time [
        tl:beginsAt "PT48.223S"^^xsd:duration ;
        tl:duration "PT1.625S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "E" .

:chord_000050
    event:time [
        tl:beginsAt "PT49.848S"^^xsd:duration ;
        tl:duration "PT0.708S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "D" .

:chord_000051
    event:time [
        tl:beginsAt "PT50.556S"^^xsd:duration ;
        tl:duration "PT0.534S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "A" .

:chord_000052
    event:time [
        tl:beginsAt "PT51.09S"^^xsd:duration ;
        tl:duration "PT1.591S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "E" .

:chord_000053
    event:time [
        tl:beginsAt "PT52.681S"^^xsd:duration ;
        tl:duration "PT0.72S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "D" .

:chord_000054
    event:time [
        tl:beginsAt "PT53.401S"^^xsd:duration ;
        tl:duration "PT0.546S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "A" .

:chord_000055
    event:time [
        tl:beginsAt "PT53.946S"^^xsd:duration ;
        tl:duration "PT1.614S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "E" .

:chord_000056
    event:time [
        tl:beginsAt "PT55.56S"^^xsd:duration ;
        tl:duration "PT0.731S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "D" .

:chord_000057
    event:time [
        tl:beginsAt "PT56.292S"^^xsd:duration ;
        tl:duration "PT0.557S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "A" .

:chord_000058
    event:time [
        tl:beginsAt "PT56.849S"^^xsd:duration ;
        tl:duration "PT1.625S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "E" .

:chord_000059
    event:time [
        tl:beginsAt "PT58.474S"^^xsd:duration ;
        tl:duration "PT0.731S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "D" .

:chord_000060
    event:time [
        tl:beginsAt "PT59.206S"^^xsd:duration ;
        tl:duration "PT0.546S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "A" .

:chord_000061
    event:time [
        tl:beginsAt "PT59.751S"^^xsd:duration ;
        tl:duration "PT1.602S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "E" .

:chord_000062
    event:time [
        tl:beginsAt "PT1M1.353S"^^xsd:duration ;
        tl:duration "PT0.72S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "D" .

:chord_000063
    event:time [
        tl:beginsAt "PT1M2.073S"^^xsd:duration ;
        tl:duration "PT0.534S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "A" .

:chord_000064
    event:time [
        tl:beginsAt "PT1M2.607S"^^xsd:duration ;
        tl:duration "PT1.625S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "E" .

:chord_000065
    event:time [
        tl:beginsAt "PT1M4.233S"^^xsd:duration ;
        tl:duration "PT0.743S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "D" .

:chord_000066
    event:time [
        tl:beginsAt "PT1M4.976S"^^xsd:duration ;
        tl:duration "PT0.534S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "A" .

:chord_000067
    event:time [
        tl:beginsAt "PT1M5.51S"^^xsd:duration ;
        tl:duration "PT1.614S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "E" .

:chord_000068
    event:time [
        tl:beginsAt "PT1M7.124S"^^xsd:duration ;
        tl:duration "PT0.743S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "D" .

:chord_000069
    event:time [
        tl:beginsAt "PT1M7.867S"^^xsd:duration ;
        tl:duration "PT0.557S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "A" .

:chord_000070
    event:time [
        tl:beginsAt "PT1M8.424S"^^xsd:duration ;
        tl:duration "PT4.327S"^^xsd:duration ;
        tl:onTimeLine :timeline_c7c7bb1bced6 ;
        a tl:Interval
    ] ;
    a af:ChordSegment ;
    rdfs:label "E" .

:maker_97584f41432e
    a mo:MusicArtist ;
    foaf:name "The Beatles" .

:record_4b0a1accc7a7
    dc:title "Abbey Road" ;
    mo:release_type mo:album ;
    mo:track :track_97ac06c12c61 ;
    a mo:Record ;
    foaf:maker :maker_97584f41432e .

:timeline_c7c7bb1bced6
    a tl:Timeline .

:track_97ac06c12c61
    dc:title "Polythene Pam" ;
    mo:available_as <file:The%20Beatles/Abbey%20Road/12_-_Polythene_Pam.wav> ;
    a mo:Track ;
    foaf:maker :maker_97584f41432e .

<file:The%20Beatles/Abbey%20Road/12_-_Polythene_Pam.wav>
    mo:encodes [
        mo:time [
            tl:onTimeLine :timeline_c7c7bb1bced6 ;
            a tl:Interval
        ] ;
        a mo:Signal
    ] ;
    a mo:AudioFile .