======================== unified (from filesystem) ========================
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                                          'artist'  'David Wenngren'
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                                         'release'  '...and darkness came'
                                           'title'  'Short Composition #2'
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '52'
                                      'tracktotal'  '87'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '126.6'
                                             'key'  '2B'
                                        'acoustid'  '31de9441-6ec9-4e81-83f1-6799cce7e4e5'
rest: ''

======================== rawer (from filesystem) ========================

'APIC:Cover Art by HC, taken on the night of Hurricane Sandy, as the waters rushed in to flood the park on the pier.'  type PictureType.COVER_FRONT (Cover (front)) b'Cover Art by HC, taken on the night of Hurricane Sandy, as the waters rushed in to flood the park on the pier.'
                                     
'TALB' (Album/Movie/Show title)                     '...and darkness came'
'TBPM' (BPM (beats per minute))                     '126.6'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDOR' (Original release time)                      '2012'
'TDRC' (Recording time)                             '2012-12-10'
'TIT2' (Title/songname/content description)         'Short Composition #2'
'TKEY' (Initial key)                                '2B'
'TLEN' (Length)                                     '131299'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'David Wenngren'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Headphone Commute'
'TRCK' (Track number/Position in set)               '52/87'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Wenngren, David'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 32bits version 3.99.5 (http://lame.sf.net)'
'TXXX:Acoustid Id'                                  '31de9441-6ec9-4e81-83f1-6799cce7e4e5'
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'TXXX:MusicBrainz Album Id'                         '27b21ab3-96ee-4aee-90c6-f92e2e939647'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '9422e18a-d182-463d-903e-172a48f68b02'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['ambient',
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 'contemporary classical']
'TXXX:originalyear'                                 '2012'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '1'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
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'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
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========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Headphone Commute - … and darkness came (2012)/52 David Wenngren - Short Composition #2.mp3
                                         'working'  None
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                                    'duration_sec'  131
                                           'genre'  electronic
                                        'filesize'  5298716
                                           'mtime'  1636912551
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Headphone Commute … (2012) 52 electronic
                                      'tag_artist'  David Wenngren
                                     'tag_release'  ...and darkness came
                                       'tag_title'  Short Composition #2
                                             'bpm'  126.6
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                                   'search_artist'  'david':1 'wenngren':2
                                  'search_release'  'and':1,2 'came':4 'darkness':3
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                                    'tag_tracknum'  52
                                      'num_images'  1
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-1', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['ambient', 'modern classical', 'piano', 'instrumental', 'contemporary classical']
                                        'tag_date'  2012
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636912551.0360372  (2021-11-14 18:55:51)
                             'size'  5298716