======================== unified (from filesystem) ========================
                                         'bitrate'  '208.028'
                                        'duration'  '252'
                                          'artist'  'London After Midnight'
                                     'text_people'  ''
                                         'release'  'Oddities'
                                           'title'  '[On the Death of God]'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['gothic rock', 'industrial', 'gothic', 'goth', 'darkwave']"
                                     'discogstags'  "['goth rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'eid-goth or gothrock-gothrock'
                                             'bpm'  '130.903'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Oddities'
'TBPM' (BPM (beats per minute))                     '130.903'
'TCON' (Content type, a.k.a. Genre)                 'eid-goth or gothrock-gothrock'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         '[On the Death of God]'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'London After Midnight'
'TRCK' (Track number/Position in set)               '12'
'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'                                  ['goth rock', 'rock']
'TXXX:lastfmtags'                                   ['gothic rock', 'industrial', 'gothic', 'goth', 'darkwave']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.34 dB'
'TXXX:replaygain_track_peak'                        '0.527325'

========================== row from database ==========================
                                              'id'  1397171
                                            'path'  /data/Music/Bulk/00dwimp/00ebm-industrial-darkwave-goth/London After Midnight/London After Midnight - Oddities - 12 - [On the Death of God].mp3
                                         'working'  None
                                         'bitrate'  208
                                    'duration_sec'  252
                                           'genre'  eid-goth or gothrock-gothrock
                                        'filesize'  6575645
                                           'mtime'  1620300682
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00ebm industrial darkwave goth 12 eid goth or gothrock gothrock
                                      'tag_artist'  London After Midnight
                                     'tag_release'  Oddities
                                       'tag_title'  [On the Death of God]
                                             'bpm'  130.903
                                    'search_title'  'death':4 'god':6,7 'of':5 'on':1,2 'the':3
                                   'search_artist'  'after':2 'london':1 'midnight':3
                                  'search_release'  'oddities':1
                                     'search_rest'  '00dwimp':1 '00ebm':2 'darkwave':4 'eid':6 'goth':5 'gothrock':8 'industrial':3 'or':7
                                    'search_combo'  '00dwimp':12 '00ebm':13 'after':9B 'darkwave':15 'death':4A 'eid':17 'god':6A,7A 'goth':16 'gothrock':19 'industrial':14 'london':8B 'midnight':10B 'oddities':11C 'of':5A 'on':1A,2A 'or':18 'the':3A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['gothic rock', 'industrial', 'gothic', 'goth', 'darkwave']
                                        'tag_date'  1998
                                     'discogstags'  ['goth rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620300682.1315317  (2021-05-06 13:31:22)
                             'size'  6575645