======================== unified (from filesystem) ========================
                                         'bitrate'  '135.031'
                                        'duration'  '304'
                                          'artist'  'Dargaard'
                                     'text_people'  ''
                                         'release'  'Eternity Rites'
                                           'title'  'Demon Eyes'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dark ambient', 'neoclassical', 'ambient', 'ethereal', 'darkwave']"
                                     'discogstags'  "['electronic', 'darkwave', 'dark ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-ambient-dark;set-pl-sced'
                                             'bpm'  '100.8'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000561 00000499 00001F3A 00002304 00018077 000180A5 00005854 00005801 '
 '000270B5 000240D6')
'TALB' (Album/Movie/Show title)                     'Eternity Rites'
'TBPM' (BPM (beats per minute))                     '100.8'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-ambient-dark', 'set-pl-sced']
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Demon Eyes'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dargaard'
'TPE2' (Band/orchestra/accompaniment)               'Dargaard'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'darkwave', 'dark ambient']
'TXXX:lastfmtags'                                   ['dark ambient', 'neoclassical', 'ambient', 'ethereal', 'darkwave']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.00 dB'
'TXXX:replaygain_track_peak'                        '0.494913'

========================== row from database ==========================
                                              'id'  1463627
                                            'path'  /data/Music/Bulk/00poprockelectronic/00ambient/Dargaard/[1998] Eternity Rites/02 Demon Eyes.mp3
                                         'working'  None
                                         'bitrate'  135
                                    'duration_sec'  304
                                           'genre'  electronic-ambient-dark;set-pl-sced
                                        'filesize'  5155071
                                           'mtime'  1636909954
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00ambient [1998] 02 electronic ambient dark;set pl sced
                                      'tag_artist'  Dargaard
                                     'tag_release'  Eternity Rites
                                       'tag_title'  Demon Eyes
                                             'bpm'  100.8
                                    'search_title'  'demon':1 'eyes':2
                                   'search_artist'  'dargaard':1
                                  'search_release'  'eternity':1 'rites':2
                                     'search_rest'  '00ambient':2 '00poprockelectronic':1 '1998':3,4 'ambient':6 'dark':7,9 'electronic':5 'pl':11 'sced':12 'set':8,10
                                    'search_combo'  '00ambient':7 '00poprockelectronic':6 '1998':8,9 'ambient':11 'dargaard':3B 'dark':12,14 'demon':1A 'electronic':10 'eternity':4C 'eyes':2A 'pl':16 'rites':5C 'sced':17 'set':13,15
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['dark ambient', 'neoclassical', 'ambient', 'ethereal', 'darkwave']
                                        'tag_date'  1998
                                     'discogstags'  ['electronic', 'darkwave', 'dark ambient']

============================== file details ==============================
                                           'mtime'  1636909953.5009732  (2021-11-14 18:12:33)
                             'size'  5155071