======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '191'
                                          'artist'  'Laura Veirs'
                                     'text_people'  'Laura Veirs'
                                         'release'  'Year of Meteors'
                                           'title'  'Black Gold Blues'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
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 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
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                                      'lastfmtags'  "['indie', 'acoustic', 'female vocalists', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '13'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '95.124'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

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'COMM:iTunNORM:eng'                                 (' 00000D80 00000D70 00006791 00005D11 0001A624 00014343 00007E66 00007E66 '
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'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000840 000000000080F2B0 00000000 0074DE5E 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '13+587CF543E81647A583E02C6C49C2725A+5689836'
'TALB' (Album/Movie/Show title)                     'Year of Meteors'
'TBPM' (BPM (beats per minute))                     '95.124'
'TCOM' (Composer)                                   'Laura Veirs'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'iTunes v7.1.1'
'TIT2' (Title/songname/content description)         'Black Gold Blues'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Laura Veirs'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '10/13'
'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', 'acoustic', 'female vocalists', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.05 dB'
'TXXX:replaygain_track_peak'                        '0.369417'

========================== row from database ==========================
                                              'id'  843336
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Laura Veirs/2005 - Year of Meteors/10 - Black Gold Blues.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  191
                                           'genre'  ifs-songwriter
                                        'filesize'  7669710
                                           'mtime'  1628357439
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 2005 10 ifs songwriter
                                      'tag_artist'  Laura Veirs
                                     'tag_release'  Year of Meteors
                                       'tag_title'  Black Gold Blues
                                             'bpm'  95.124
                                    'search_title'  'black':1 'blues':3 'gold':2
                                   'search_artist'  'laura':1 'veirs':2
                                  'search_release'  'meteors':3 'of':2 'year':1
                                     'search_rest'  '00singer':1 '2005':4 'eos':3 'ifs':5 'songwriter':2
                                    'search_combo'  '00singer':9 '2005':12 'black':1A 'blues':3A 'eos':11 'gold':2A 'ifs':13 'laura':4B 'meteors':8C 'of':7C 'songwriter':10 'veirs':5B 'year':6C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  6A
                                           '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-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'acoustic', 'female vocalists', 'folk', 'singer songwriter']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357438.6597593  (2021-08-07 19:30:38)
                             'size'  7669710