======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '209'
                                          'artist'  'Chelsea Wolfe'
                                     'text_people'  'Chelsea Wolfe'
                                         'release'  'The Grime and the Glow'
                                           'title'  'Noorus'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
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                                      'lastfmtags'  "['gothic', 'female vocalists', 'folk', 'experimental', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '13'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-experimental'
                                             'bpm'  '138.3'
                                             'key'  '7A'
                                        'acoustid'  'd7a3f136-43b4-490e-804f-fcb5f96e03ad'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Grime and the Glow'
'TBPM' (BPM (beats per minute))                     '138.3'
'TCOM' (Composer)                                   'Chelsea Wolfe'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-experimental'
'TDOR' (Original release time)                      '2010'
'TDRC' (Recording time)                             '2010-12-28'
'TIT2' (Title/songname/content description)         'Noorus'
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Chelsea Wolfe'
'TPE2' (Band/orchestra/accompaniment)               'Chelsea Wolfe'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '8/13'
'TSO2'                                              'Wolfe, Chelsea'
'TSOP' (Performer sort order)                       'Wolfe, Chelsea'
'TXXX:Acoustid Id'                                  'd7a3f136-43b4-490e-804f-fcb5f96e03ad'
'TXXX:MusicBrainz Album Artist Id'                  '60e8e938-365e-4429-a141-4c79eb49588d'
'TXXX:MusicBrainz Album Id'                         '69daf7fb-0122-4985-9373-aed3a8ddfaf3'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '60e8e938-365e-4429-a141-4c79eb49588d'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['gothic', 'female vocalists', 'folk', 'experimental', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.26 dB'
'TXXX:replaygain_track_peak'                        '0.502443'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'8ef13f93-1761-4f72-9eb2-c35fdf5d4cdb')

========================== row from database ==========================
                                              'id'  1244976
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Chelsea Wolfe - 2010  The Grime and the Glow/08 - Chelsea Wolfe - Noorus.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  209
                                           'genre'  ifs-songwriter-experimental
                                        'filesize'  8363658
                                           'mtime'  1621695885
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 2010 08 ifs songwriter experimental
                                      'tag_artist'  Chelsea Wolfe
                                     'tag_release'  The Grime and the Glow
                                       'tag_title'  Noorus
                                             'bpm'  138.3
                                    'search_title'  'noorus':1
                                   'search_artist'  'chelsea':1 'wolfe':2
                                  'search_release'  'and':3 'glow':4 'grime':2 'the':1
                                     'search_rest'  '00singer':1 '2010':4 'eos':3 'experimental':6 'ifs':5 'songwriter':2
                                    'search_combo'  '00singer':8 '2010':11 'and':6C 'chelsea':2B 'eos':10 'experimental':13 'glow':7C 'grime':5C 'ifs':12 'noorus':1A 'songwriter':9 'the':4C 'wolfe':3B
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['gothic', 'female vocalists', 'folk', 'experimental', 'singer songwriter']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695884.7479923  (2021-05-22 17:04:44)
                             'size'  8363658