======================== unified (from filesystem) ========================
                                         'bitrate'  '191.955'
                                        'duration'  '132'
                                          'artist'  'Woven Hand'
                                     'text_people'  ''
                                         'release'  'Mosaic'
                                           'title'  'Twig'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['rock', 'folk, world, & country', 'folk rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-folk'
                                             'bpm'  '139.370'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Mosaic'
'TBPM' (BPM (beats per minute))                     '139.370'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-folk'
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Twig'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Woven Hand'
'TPE2' (Band/orchestra/accompaniment)               'Woven Hand'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'folk, world, & country', 'folk rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.20 dB'
'TXXX:replaygain_track_peak'                        '0.482574'

========================== row from database ==========================
                                              'id'  1254340
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Woven Hand/[2006] Mosaic/04 Twig.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  132
                                           'genre'  ifs-songwriter-folk
                                        'filesize'  3676038
                                           'mtime'  1621699176
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos [2006] 04 ifs songwriter folk
                                      'tag_artist'  Woven Hand
                                     'tag_release'  Mosaic
                                       'tag_title'  Twig
                                             'bpm'  139.37
                                    'search_title'  'twig':1
                                   'search_artist'  'hand':2 'woven':1
                                  'search_release'  'mosaic':1
                                     'search_rest'  '00singer':1 '2006':4,5 'eos':3 'folk':7 'ifs':6 'songwriter':2
                                    'search_combo'  '00singer':5 '2006':8,9 'eos':7 'folk':11 'hand':3B 'ifs':10 'mosaic':4C 'songwriter':6 'twig':1A 'woven':2B
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2006
                                     'discogstags'  ['rock', 'folk, world, & country', 'folk rock']

============================== file details ==============================
                                           'mtime'  1621699176.3816597  (2021-05-22 17:59:36)
                             'size'  3676038