======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '304'
                                          'artist'  'London After Midnight'
                                     'text_people'  ''
                                         'release'  'Psycho Magnet'
                                           'title'  'Carry On... Screaming'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['gothic rock', 'industrial', 'gothic', 'goth', 'darkwave']"
                                     'discogstags'  "['goth rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'eid-goth or gothrock-gothrock'
                                             'bpm'  '144.028'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Psycho Magnet'
'TBPM' (BPM (beats per minute))                     '144.028'
'TCON' (Content type, a.k.a. Genre)                 'eid-goth or gothrock-gothrock'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Carry On... Screaming'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'London After Midnight'
'TRCK' (Track number/Position in set)               '7'
'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'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.19 dB'
'TXXX:replaygain_track_peak'                        '0.522549'

========================== row from database ==========================
                                              'id'  1400602
                                            'path'  /data/Music/Bulk/00dwimp/00ebm-industrial-darkwave-goth/London After Midnight/London After Midnight - Psycho Magnet - 07 - Carry On Screaming.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  304
                                           'genre'  eid-goth or gothrock-gothrock
                                        'filesize'  7307136
                                           'mtime'  1620300688
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00ebm industrial darkwave goth 07 eid goth or gothrock gothrock
                                      'tag_artist'  London After Midnight
                                     'tag_release'  Psycho Magnet
                                       'tag_title'  Carry On... Screaming
                                             'bpm'  144.028
                                    'search_title'  'carry':1 'on':2,3 'screaming':4
                                   'search_artist'  'after':2 'london':1 'midnight':3
                                  'search_release'  'magnet':2 'psycho':1
                                     'search_rest'  '00dwimp':1 '00ebm':2 'darkwave':4 'eid':6 'goth':5 'gothrock':8 'industrial':3 'or':7
                                    'search_combo'  '00dwimp':10 '00ebm':11 'after':6B 'carry':1A 'darkwave':13 'eid':15 'goth':14 'gothrock':17 'industrial':12 'london':5B 'magnet':9C 'midnight':7B 'on':2A,3A 'or':16 'psycho':8C 'screaming':4A
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', 'q-chart-2', 'q-other-2', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['gothic rock', 'industrial', 'gothic', 'goth', 'darkwave']
                                        'tag_date'  2003
                                     'discogstags'  ['goth rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620300687.748574  (2021-05-06 13:31:27)
                             'size'  7307136