======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '259'
                                          'artist'  'The Arcade Fire'
                                     'text_people'  ''
                                         'release'  'Neon Bible'
                                           'title'  'Intervention'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
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                                      'lastfmtags'  "['indie', 'alternative', 'rock', 'indie rock', 'canadian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '120.758'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'COMM:iTunNORM:eng'                                 (' 000012E0 00000ECE 000060A2 0000469B 0003AE24 00032F34 0000878A 0000876C '
 '0002193E 0002847D')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000007A4 0000000000AE48CC 00000000 009DFCE6 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '11+48294E0A466204C55C5BD7DECD79FE59+8686726'
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'TBPM' (BPM (beats per minute))                     '120.758'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'iTunes v7.0.2.16'
'TIT2' (Title/songname/content description)         'Intervention'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Arcade Fire'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4'
'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:lastfmtags'                                   ['indie', 'alternative', 'rock', 'indie rock', 'canadian']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
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'TXXX:q-mixbeat'                                    '1'
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'TXXX:q-piano'                                      '1'
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'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.92 dB'
'TXXX:replaygain_track_peak'                        '0.447719'

========================== row from database ==========================
                                              'id'  1369360
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/The Arcade Fire/Neon Bible/04 Intervention.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  259
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  10364498
                                           'mtime'  1637019779
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 04 ifs songwriter indie rock
                                      'tag_artist'  The Arcade Fire
                                     'tag_release'  Neon Bible
                                       'tag_title'  Intervention
                                             'bpm'  120.758
                                    'search_title'  'intervention':1
                                   'search_artist'  'arcade':2 'fire':3 'the':1
                                  'search_release'  'bible':2 'neon':1
                                     'search_rest'  '00poprockelectronic':1 'ifs':4 'indie':6 'indierock':3 'poprock':2 'rock':7 'songwriter':5
                                    'search_combo'  '00poprockelectronic':7 'arcade':3B 'bible':6C 'fire':4B 'ifs':10 'indie':12 'indierock':9 'intervention':1A 'neon':5C 'poprock':8 'rock':13 'songwriter':11 'the':2B
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'rock', 'indie rock', 'canadian']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637019778.5994694  (2021-11-16 00:42:58)
                             'size'  10364498