======================== unified (from filesystem) ========================
                                         'bitrate'  '244.569'
                                        'duration'  '283'
                                          'artist'  'Dark Funeral'
                                     'text_people'  ''
                                         'release'  'Vobiscum Satanas'
                                           'title'  'Enriched By Evil'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-4', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['swedish', 'swedish black metal', 'black metal', 'metal', 'melodic black "
 "metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '144.9'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

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'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')
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'TALB' (Album/Movie/Show title)                     'Vobiscum Satanas'
'TBPM' (BPM (beats per minute))                     '144.9'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998'
'TFLT' (File type)                                  'MPG/3'
'TIT2' (Title/songname/content description)         'Enriched By Evil'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dark Funeral'
'TRCK' (Track number/Position in set)               '2'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['swedish',
 'swedish black metal',
 'black metal',
 'metal',
 'melodic black metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.05 dB'
'TXXX:replaygain_track_peak'                        '0.362980'
'UFID:mailto:webmaster@vunetusa.com'                UFID(owner='mailto:webmaster@vunetusa.com', data=b'10567885')
'USER:eng'                                          ('Copyright notice. These materials are protected by United States copyright '
 'law and by international treaties. You may use these materials for your '
 'personal, non-commercial use only. You may not otherwise reproduce, '
 'distribute, publicly perform, publicly display, or create derivative works '
 'of these materials, unless authorized by the appropriate copyright owner(s).')

========================== row from database ==========================
                                              'id'  1262555
                                            'path'  /data/Music/Bulk/00dwimp/Dark Funeral/Vobiscum Satanas/Dark Funeral_Vobiscum Satanas_02_Enriched By Evil.mp3
                                         'working'  None
                                         'bitrate'  244
                                    'duration_sec'  283
                                           'genre'  eid-metal-black
                                        'filesize'  8656859
                                           'mtime'  1620301875
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp Funeral_Vobiscum Satanas_02_Enriched eid metal black
                                      'tag_artist'  Dark Funeral
                                     'tag_release'  Vobiscum Satanas
                                       'tag_title'  Enriched By Evil
                                             'bpm'  144.9
                                    'search_title'  'by':2 'enriched':1 'evil':3
                                   'search_artist'  'dark':1 'funeral':2
                                  'search_release'  'satanas':2 'vobiscum':1
                                     'search_rest'  '00dwimp':1 '02':5 'black':9 'eid':7 'enriched':6 'funeral':2 'metal':8 'satanas':4 'vobiscum':3
                                    'search_combo'  '00dwimp':8 '02':12 'black':16 'by':2A 'dark':4B 'eid':14 'enriched':1A,13 'evil':3A 'funeral':5B,9 'metal':15 'satanas':7C,11 'vobiscum':6C,10
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['swedish', 'swedish black metal', 'black metal', 'metal', 'melodic black metal']
                                        'tag_date'  1998
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301874.6721575  (2021-05-06 13:51:14)
                             'size'  8656859