======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '244'
                                          'artist'  'Dargaard'
                                     'text_people'  ''
                                         'release'  'Eternity Rites'
                                           'title'  'Seelenlos'
                                           '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-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dark ambient', 'neoclassical', 'ambient', 'ethereal', 'darkwave']"
                                     'discogstags'  "['electronic', 'darkwave', 'dark ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-ambient-dark;set-pl-sced'
                                             'bpm'  '143.7'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 0000029B 0000023B 000008A6 000009E1 00033495 0000EA8E 000050FF 0000525E '
 '0000EA8E 0000EA8E')
'TALB' (Album/Movie/Show title)                     'Eternity Rites'
'TBPM' (BPM (beats per minute))                     '143.7'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-ambient-dark', 'set-pl-sced']
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Seelenlos'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dargaard'
'TPE2' (Band/orchestra/accompaniment)               'Dargaard'
'TRCK' (Track number/Position in set)               '10'
'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'                                      '1'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.20 dB'
'TXXX:replaygain_track_peak'                        '0.554861'

========================== row from database ==========================
                                              'id'  1461233
                                            'path'  /data/Music/Bulk/00poprockelectronic/00ambient/Dargaard/[1998] Eternity Rites/10 Seelenlos.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  244
                                           'genre'  electronic-ambient-dark;set-pl-sced
                                        'filesize'  3925362
                                           'mtime'  1636909954
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00ambient [1998] 10 electronic ambient dark;set pl sced
                                      'tag_artist'  Dargaard
                                     'tag_release'  Eternity Rites
                                       'tag_title'  Seelenlos
                                             'bpm'  143.7
                                    'search_title'  'seelenlos':1
                                   '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':6 '00poprockelectronic':5 '1998':7,8 'ambient':10 'dargaard':2B 'dark':11,13 'electronic':9 'eternity':3C 'pl':15 'rites':4C 'sced':16 'seelenlos':1A 'set':12,14
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-1', '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'  1636909953.8745253  (2021-11-14 18:12:33)
                             'size'  3925362