======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '343'
                                          'artist'  'The Arcade Fire'
                                     'text_people'  ''
                                         'release'  'Neon Bible'
                                           'title'  'No Cars Go'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'rock', 'indie rock', 'canadian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '136.092'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ['0',
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 '00024900 0003EBE0',
 ' 00000000 00000210 00000744 0000000000E7342C 00000000 0068CE9D 00000000 '
 '00000000 00000000 00000000 00000000 00000000']
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunes_CDDB_IDs:eng'                          '11+E0EF52A7BA5C0B9495E9019FEF1D2899+8669738'
'PRIV:AverageLevel:v\x1d\x00\x00'                   PRIV(owner='AverageLevel', data=b'v\x1d\x00\x00')
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'TALB' (Album/Movie/Show title)                     'Neon Bible'
'TBPM' (BPM (beats per minute))                     '136.092'
'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)         'No Cars Go'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Arcade Fire'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '10'
'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'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.77 dB'
'TXXX:replaygain_track_peak'                        '0.394443'

========================== row from database ==========================
                                              'id'  1374753
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/The Arcade Fire/Neon Bible/10 No Cars Go.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  343
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  6875075
                                           'mtime'  1637019779
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 10 ifs songwriter indie rock
                                      'tag_artist'  The Arcade Fire
                                     'tag_release'  Neon Bible
                                       'tag_title'  No Cars Go
                                             'bpm'  136.092
                                    'search_title'  'cars':2 'go':3 'no':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':9 'arcade':5B 'bible':8C 'cars':2A 'fire':6B 'go':3A 'ifs':12 'indie':14 'indierock':11 'neon':7C 'no':1A 'poprock':10 'rock':15 'songwriter':13 'the':4B
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'rock', 'indie rock', 'canadian']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637019779.3827615  (2021-11-16 00:42:59)
                             'size'  6875075