======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '289'
                                          'artist'  'London after Midnight'
                                     'text_people'  ''
                                         'release'  'Psycho Magnet'
                                           'title'  'HATE!'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['gothic rock', 'industrial', 'gothic', 'goth', 'darkwave']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave'
                                             'bpm'  '106.85'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:°\x18\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xb0\x18\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Psycho Magnet'
'TBPM' (BPM (beats per minute))                     '106.85'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave'
'TCOP' (Copyright message)                          '(c) 1998 Metropolis'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'HATE!'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'London after Midnight'
'TRCK' (Track number/Position in set)               '10'
'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:lastfmtags'                                   ['gothic rock', 'industrial', 'gothic', 'goth', 'darkwave']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.18 dB'
'TXXX:replaygain_track_peak'                        '0.561624'

========================== row from database ==========================
                                              'id'  1398872
                                            'path'  /data/Music/Bulk/00dwimp/00ebm-industrial-darkwave-goth/1995 - Psycho Magnet/10 - London after Midnight - HATE!.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  289
                                           'genre'  eid-ebm or industrial or darkwave
                                        'filesize'  6952299
                                           'mtime'  1620295954
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00ebm industrial darkwave goth 1995 10 eid ebm or industrial or darkwave
                                      'tag_artist'  London after Midnight
                                     'tag_release'  Psycho Magnet
                                       'tag_title'  HATE!
                                             'bpm'  106.85
                                    'search_title'  'hate':1
                                   'search_artist'  'after':2 'london':1 'midnight':3
                                  'search_release'  'magnet':2 'psycho':1
                                     'search_rest'  '00dwimp':1 '00ebm':2 '1995':6 'darkwave':4 'ebm':8 'eid':7 'goth':5 'industrial':3 'or':9
                                    'search_combo'  '00dwimp':7 '00ebm':8 '1995':12 'after':3B 'darkwave':10 'ebm':14 'eid':13 'goth':11 'hate':1A 'industrial':9 'london':2B 'magnet':6C 'midnight':4B 'or':15 'psycho':5C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-1', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['gothic rock', 'industrial', 'gothic', 'goth', 'darkwave']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620295954.322138  (2021-05-06 12:12:34)
                             'size'  6952299