======================== unified (from filesystem) ========================
                                         'bitrate'  '207.51'
                                        'duration'  '242'
                                          'artist'  'Sister Machine Gun'
                                     'text_people'  ''
                                         'release'  '[R]evolution'
                                           'title'  'Closer to Me'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  ("['industrial metal', 'industrial', 'electro industrial', 'ebm', 'industrial "
 "rock', 'electronic']")
                                     'discogstags'  "['industrial', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave-industrial'
                                             'bpm'  '115.524'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '[R]evolution'
'TBPM' (BPM (beats per minute))                     '115.524'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave-industrial'
'TDRC' (Recording time)                             '1999'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Closer to Me'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sister Machine Gun'
'TRCK' (Track number/Position in set)               '07'
'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'                                  ['industrial', 'electronic']
'TXXX:lastfmtags'                                   ['industrial metal',
 'industrial',
 'electro industrial',
 'ebm',
 'industrial rock',
 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.21 dB'
'TXXX:replaygain_track_peak'                        '0.454495'

========================== row from database ==========================
                                              'id'  1399546
                                            'path'  /data/Music/Bulk/00dwimp/00ebm-industrial-darkwave-goth/Sister Machine Gun/[R]evolution/07 - Closer to Me.mp3
                                         'working'  None
                                         'bitrate'  207
                                    'duration_sec'  242
                                           'genre'  eid-ebm or industrial or darkwave-industrial
                                        'filesize'  6306883
                                           'mtime'  1620298077
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00ebm industrial darkwave goth 07 eid ebm or industrial or darkwave industrial
                                      'tag_artist'  Sister Machine Gun
                                     'tag_release'  [R]evolution
                                       'tag_title'  Closer to Me
                                             'bpm'  115.524
                                    'search_title'  'closer':1 'me':3 'to':2
                                   'search_artist'  'gun':3 'machine':2 'sister':1
                                  'search_release'  'evolution':2 'r':1 'revolution':3
                                     'search_rest'  '00dwimp':1 '00ebm':2 'darkwave':4 'ebm':7 'eid':6 'goth':5 'industrial':3 'or':8
                                    'search_combo'  '00dwimp':10 '00ebm':11 'closer':1A 'darkwave':13 'ebm':16 'eid':15 'evolution':8C 'goth':14 'gun':6B 'industrial':12 'machine':5B 'me':3A 'or':17 'r':7C 'revolution':9C 'sister':4B 'to':2A
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-1', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['industrial metal', 'industrial', 'electro industrial', 'ebm', 'industrial rock', 'electronic']
                                        'tag_date'  1999
                                     'discogstags'  ['industrial', 'electronic']

============================== file details ==============================
                                           'mtime'  1620298077.2569544  (2021-05-06 12:47:57)
                             'size'  6306883