======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '598'
                                          'artist'  'Warmth'
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                                         'release'  'Essay'
                                           'title'  'Nineteen Eighty (1980)'
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                                      'lastfmtags'  "['deepspaceone', 'drone', 'dub techno', 'drone ambient', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '8'
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
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                                             'key'  '6B'
                                        'acoustid'  'aafbba3a-c40d-456d-b73f-9858ea2e986c'
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'TBPM' (BPM (beats per minute))                     '93.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDOR' (Original release time)                      '2016'
'TDRC' (Recording time)                             '2016-06-01'
'TIT2' (Title/songname/content description)         'Nineteen Eighty (1980)'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Warmth'
'TPE2' (Band/orchestra/accompaniment)               'Warmth'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Archives'
'TRCK' (Track number/Position in set)               '1/8'
'TSO2'                                              'Warmth'
'TSOP' (Performer sort order)                       'Warmth'
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'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'da226744-d744-431f-b662-be2358995243'
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'TXXX:Q-JZFKS'                                      '1'
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'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['deepspaceone', 'drone', 'dub techno', 'drone ambient', 'ambient']
'TXXX:other'                                        '265814303'
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'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
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'TXXX:q-other'                                      '4'
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'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
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'TXXX:replaygain_track_peak'                        '0.538804'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a07e325a-0c5f-4f14-810c-57208bf07aa2')

========================== row from database ==========================
                                              'id'  857605
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/soundcloud/zzzzra/Warmth - Nineteen Eighty (1980)-265814303.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  598
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  9575901
                                           'mtime'  1621085101
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm soundcloud zzzzra 265814303 electronic techno minimal or deephouse
                                      'tag_artist'  Warmth
                                     'tag_release'  Essay
                                       'tag_title'  Nineteen Eighty (1980)
                                             'bpm'  93.7
                                    'search_title'  '1980':3,4 'eighty':2 'nineteen':1
                                   'search_artist'  'warmth':1
                                  'search_release'  'essay':1
                                     'search_rest'  '265814303':3 'deephouse':8 'electronic':4 'minimal':6 'or':7 'soundcloud':1 'techno':5 'zzzzra':2
                                    'search_combo'  '1980':3A,4A '265814303':9 'deephouse':14 'eighty':2A 'electronic':10 'essay':6C 'minimal':12 'nineteen':1A 'or':13 'soundcloud':7 'techno':11 'warmth':5B 'zzzzra':8
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-4', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['deepspaceone', 'drone', 'dub techno', 'drone ambient', 'ambient']
                                        'tag_date'  2016
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621085100.5298753  (2021-05-15 15:25:00)
                             'size'  9575901