======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '366'
                                          'artist'  'Dimmu Borgir'
                                     'text_people'  ''
                                         'release'  'World Misanthropy Bonus CD'
                                           'title'  'Blessings Upon The Throne ...'
                                           '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-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['melodic black metal', 'symphonic black metal', 'black metal', 'metal', "
 "'norwegian']")
                                     'discogstags'  "['black metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '136.643'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:\\"\x00\x00'                     PRIV(owner='AverageLevel', data=b'\\"\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)                     'World Misanthropy Bonus CD'
'TBPM' (BPM (beats per minute))                     '136.643'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Blessings Upon The Throne ...'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dimmu Borgir'
'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'                                  ['black metal', 'rock']
'TXXX:lastfmtags'                                   ['melodic black metal',
 'symphonic black metal',
 'black metal',
 'metal',
 'norwegian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.06 dB'
'TXXX:replaygain_track_peak'                        '0.391270'

========================== row from database ==========================
                                              'id'  1394852
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Dimmu Borgir/World Misanthropy/03-blessings_upon_the_throne_of_tyranny_(live)-koma.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  366
                                           'genre'  eid-metal-black
                                        'filesize'  8798769
                                           'mtime'  1620301646
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 03 blessings_upon_the_throne_of_tyranny_(live) koma eid metal black
                                      'tag_artist'  Dimmu Borgir
                                     'tag_release'  World Misanthropy Bonus CD
                                       'tag_title'  Blessings Upon The Throne ...
                                             'bpm'  136.643
                                    'search_title'  'blessings':1 'the':3 'throne':4 'upon':2
                                   'search_artist'  'borgir':2 'dimmu':1
                                  'search_release'  'bonus':3 'cd':4 'misanthropy':2 'world':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'black':20 'blessings':3,10 'eid':18 'koma':17 'live':9,16 'metal':19 'of':7,14 'the':5,12 'throne':6,13 'tyranny':8,15 'upon':4,11
                                    'search_combo'  '00dwimp':11 '00metal':12 'black':30 'blessings':1A,13,20 'bonus':9C 'borgir':6B 'cd':10C 'dimmu':5B 'eid':28 'koma':27 'live':19,26 'metal':29 'misanthropy':8C 'of':17,24 'the':3A,15,22 'throne':4A,16,23 'tyranny':18,25 'upon':2A,14,21 'world':7C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['melodic black metal', 'symphonic black metal', 'black metal', 'metal', 'norwegian']
                                        'tag_date'  2002
                                     'discogstags'  ['black metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620301645.6427586  (2021-05-06 13:47:25)
                             'size'  8798769