======================== unified (from filesystem) ========================
                                         'bitrate'  '249.454'
                                        'duration'  '479'
                                          'artist'  'King Woman'
                                     'text_people'  ''
                                         'release'  'Created in the Image of Suffering'
                                           'title'  'Hierophant'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-4', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['sludge', 'shoegaze', 'doom', 'doom metal', 'dream pop']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2017'
                                        'comments'  ''
                                           'genre'  'eid-metal-doom or gothic'
                                             'bpm'  '123.1'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Created in the Image of Suffering'
'TBPM' (BPM (beats per minute))                     '123.1'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-doom or gothic'
'TDRC' (Recording time)                             '2017'
'TIT2' (Title/songname/content description)         'Hierophant'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'King Woman'
'TPE2' (Band/orchestra/accompaniment)               'King Woman'
'TRCK' (Track number/Position in set)               '5'
'TSRC' (ISRC (international standard recording code))  'US2641736304'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['sludge', 'shoegaze', 'doom', 'doom metal', 'dream pop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '4'
'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'                        '-0.39 dB'
'TXXX:replaygain_track_peak'                        '0.362095'

========================== row from database ==========================
                                              'id'  1398658
                                            'path'  /data/Music/Bulk/00dwimp/00metal/King Woman - Created in the Image of Suffering (2017)/05. Hierophant.mp3
                                         'working'  None
                                         'bitrate'  249
                                    'duration_sec'  479
                                           'genre'  eid-metal-doom or gothic
                                        'filesize'  15648380
                                           'mtime'  1620310296
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal (2017) 05. eid metal doom or gothic
                                      'tag_artist'  King Woman
                                     'tag_release'  Created in the Image of Suffering
                                       'tag_title'  Hierophant
                                             'bpm'  123.1
                                    'search_title'  'hierophant':1
                                   'search_artist'  'king':1 'woman':2
                                  'search_release'  'created':1 'image':4 'in':2 'of':5 'suffering':6 'the':3
                                     'search_rest'  '00dwimp':1 '00metal':2 '05':5,6 '2017':3,4 'doom':9 'eid':7 'gothic':11 'metal':8 'or':10
                                    'search_combo'  '00dwimp':10 '00metal':11 '05':14,15 '2017':12,13 'created':4C 'doom':18 'eid':16 'gothic':20 'hierophant':1A 'image':7C 'in':5C 'king':2B 'metal':17 'of':8C 'or':19 'suffering':9C 'the':6C 'woman':3B
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['sludge', 'shoegaze', 'doom', 'doom metal', 'dream pop']
                                        'tag_date'  2017
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620310296.4756746  (2021-05-06 16:11:36)
                             'size'  15648380