======================== unified (from filesystem) ========================
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                                        'duration'  '65'
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                                           'title'  'Animals, Many Horses Trotting (Imitation)'
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
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                                            'date'  '1985'
                                        'comments'  ''
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======================== rawer (from filesystem) ========================

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'TMED' (Media type)                                 'CD'
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'TPE2' (Band/orchestra/accompaniment)               '[unknown]'
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'TPUB' (Publisher)                                  'BBC Sound Effects Library'
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'TSOP' (Performer sort order)                       '[unknown]'
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'TXXX:MusicBrainz Artist Id'                        '125ec42a-7229-4250-afc5-e057484327fe'
'TXXX:MusicBrainz Release Group Id'                 'ef1bd3dd-eb68-49be-8df1-8db770fdeae8'
'TXXX:MusicBrainz Release Track Id'                 'a1802303-dd47-370e-a442-6f93e0e65e77'
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'TXXX:Q-LOCALNESS'                                  '1'
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'TXXX:Q-UNU'                                        '1'
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'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '1'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+3.14 dB'
'TXXX:replaygain_track_peak'                        '0.954533'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'27320dd7-f113-48f7-a16f-9648e149d0ea')

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/0nonmusic/00sfx/BBC 08 - Misc (flac)/56 Animals, Many Horses Trotting.mp3
                                         'working'  None
                                         'bitrate'  237
                                    'duration_sec'  65
                                           'genre'  nonmusic-fragments-sounds and sfx
                                        'filesize'  1951291
                                           'mtime'  1636404225
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00sfx 08 Misc (flac) 56 nonmusic fragments sounds and sfx
                                      'tag_artist'  [unknown]
                                     'tag_release'  BBC Sound Effects Library, Volume 8: Comedy, Fantasy & Humour
                                       'tag_title'  Animals, Many Horses Trotting (Imitation)
                                             'bpm'  122.215
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                                   'search_artist'  'unknown':1,2
                                  'search_release'  '8':7,8 'bbc':1 'comedy':9,10 'effects':3 'fantasy':11 'humour':12 'library':4,5 'sound':2 'volume':6
                                     'search_rest'  '00sfx':2 '0nonmusic':1 '56':6 'and':10 'flac':4,5 'fragments':8 'misc':3 'nonmusic':7 'sfx':11 'sounds':9
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                                    'tag_tracknum'  56
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-1', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636404225.2764344  (2021-11-08 21:43:45)
                             'size'  1951291