======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '297'
                                          'artist'  'Laura Veirs'
                                     'text_people'  'Laura Veirs'
                                         'release'  'Year of Meteors'
                                           'title'  'Fire Snakes'
                                           '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-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'acoustic', 'female vocalists', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '13'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '141.118'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000415 00000538 00001B5A 000021EB 0004225E 0003E524 00007E64 00007E65 '
 '0001CFAC 00036A63')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000008AC 0000000000C7ED44 00000000 00B54000 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))                     '141.118'
'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)         'Fire Snakes'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Laura Veirs'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1/13'
'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'                                      '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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.53 dB'
'TXXX:replaygain_track_peak'                        '0.497910'

========================== row from database ==========================
                                              'id'  843449
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Laura Veirs/2005 - Year of Meteors/01 - Fire Snakes.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  297
                                           'genre'  ifs-songwriter
                                        'filesize'  11889001
                                           'mtime'  1628357438
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 2005 01 ifs songwriter
                                      'tag_artist'  Laura Veirs
                                     'tag_release'  Year of Meteors
                                       'tag_title'  Fire Snakes
                                             'bpm'  141.118
                                    'search_title'  'fire':1 'snakes':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':8 '2005':11 'eos':10 'fire':1A 'ifs':12 'laura':3B 'meteors':7C 'of':6C 'snakes':2A 'songwriter':9 'veirs':4B 'year':5C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10B
                                           '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-3', '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'  1628357437.8561213  (2021-08-07 19:30:37)
                             'size'  11889001