======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '311'
                                          'artist'  'The Fiery Furnaces'
                                     'text_people'  ''
                                         'release'  'Bitter Tea'
                                           'title'  'Black-Hearted Boy'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'Q-PLAY-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-3', 'q-drums-1', 'q-other-2', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'indie pop', 'alternative', 'indie rock', 'experimental']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '104.714'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000052D 0000042A 00003BE8'
'COMM:iTunNORM:eng'                                 (' 0000052D 0000042A 00003BE8 000023B6 00011170 000493F7 00006BAB 00007671 '
 '00027145 00013897')
'TALB' (Album/Movie/Show title)                     'Bitter Tea'
'TBPM' (BPM (beats per minute))                     '104.714'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Black-Hearted Boy'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Fiery Furnaces'
'TPE2' (Band/orchestra/accompaniment)               'The Fiery Furnaces'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'alternative', 'indie rock', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.09 dB'
'TXXX:replaygain_track_peak'                        '0.593652'

========================== row from database ==========================
                                              'id'  443928
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/The Fiery Furnaces/[2006] Bitter Tea/03 Black-Hearted Boy.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  311
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  7521158
                                           'mtime'  1638554897
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos [2006] 03 ifs songwriter indie unsorted
                                      'tag_artist'  The Fiery Furnaces
                                     'tag_release'  Bitter Tea
                                       'tag_title'  Black-Hearted Boy
                                             'bpm'  104.714
                                    'search_title'  'black':1 'blackhearted':3 'boy':4 'hearted':2
                                   'search_artist'  'fiery':2 'furnaces':3 'the':1
                                  'search_release'  'bitter':1 'tea':2
                                     'search_rest'  '00singer':1 '2006':4,5 'eos':3 'ifs':6 'indie':7 'songwriter':2 'unsorted':8
                                    'search_combo'  '00singer':10 '2006':13,14 'bitter':8C 'black':1A 'blackhearted':3A 'boy':4A 'eos':12 'fiery':6B 'furnaces':7B 'hearted':2A 'ifs':15 'indie':16 'songwriter':11 'tea':9C 'the':5B 'unsorted':17
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'alternative', 'indie rock', 'experimental']
                                        'tag_date'  2006
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1638554897.4863718  (2021-12-03 19:08:17)
                             'size'  7521158