======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '230'
                                          'artist'  "D'ERLANGER"
                                     'text_people'  'Edith Piaf/Mack David/Marcel Louiguy'
                                         'release'  'LA VIE EN ROSE'
                                           'title'  'La Vie En Rose'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['jrock', 'rock', 'visual kei', 'japanese', 'j rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan-jrock-visualkei;set-pl-sced'
                                             'bpm'  '136.6'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000009D1 0000098C 00002F18 0000224D 000138AE 00029827 000063F9 00006A9B '
 '00035B8E 00035B8E')
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'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')
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'PRIV:WM/WMCollectionGroupID:"ªæÁ1\x13âH\x9b2\x9cáÒöñ?'  PRIV(owner='WM/WMCollectionGroupID', data=b'"\xaa\xe6\xc11\x13\xe2H\x9b2\x9c\xe1\xd2\xf6\xf1?')
'PRIV:WM/WMCollectionID:"ªæÁ1\x13âH\x9b2\x9cáÒöñ?'  PRIV(owner='WM/WMCollectionID', data=b'"\xaa\xe6\xc11\x13\xe2H\x9b2\x9c\xe1\xd2\xf6\xf1?')
'PRIV:WM/WMContentID:4\x13gã\x08u\x07HµÞU¤\x02ú\x9e¹'  PRIV(owner='WM/WMContentID', data=b'4\x13g\xe3\x08u\x07H\xb5\xdeU\xa4\x02\xfa\x9e\xb9')
'TALB' (Album/Movie/Show title)                     'LA VIE EN ROSE'
'TBPM' (BPM (beats per minute))                     '136.6'
'TCOM' (Composer)                                   'Edith Piaf/Mack David/Marcel Louiguy'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan-jrock-visualkei', 'set-pl-sced']
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'La Vie En Rose'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               "D'ERLANGER"
'TPE2' (Band/orchestra/accompaniment)               "D'ERLANGER"
'TPUB' (Publisher)                                  'Universal Music'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jrock', 'rock', 'visual kei', 'japanese', 'j rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.94 dB'
'TXXX:replaygain_track_peak'                        '0.561007'

========================== row from database ==========================
                                              'id'  1526233
                                            'path'  /data/Music/Bulk/00localcharacter/D_ERLANGER/[1989] LA VIE EN ROSE/02 La Vie En Rose.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  230
                                           'genre'  loc-asia-japan-jrock-visualkei;set-pl-sced
                                        'filesize'  3745462
                                           'mtime'  1638545235
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter D_ERLANGER [1989] 02 loc asia japan jrock visualkei;set pl sced
                                      'tag_artist'  D'ERLANGER
                                     'tag_release'  LA VIE EN ROSE
                                       'tag_title'  La Vie En Rose
                                             'bpm'  136.6
                                    'search_title'  'en':3 'la':1 'rose':4 'vie':2
                                   'search_artist'  'd':1 'derlanger':3 'erlanger':2
                                  'search_release'  'en':3 'la':1 'rose':4 'vie':2
                                     'search_rest'  '1989':3,4 'asia':6 'd':1 'erlanger':2 'japan':7 'jrock':8 'loc':5 'pl':13 'sced':14 'set':10,12 'visualkei':9,11
                                    'search_combo'  '1989':14,15 'asia':17 'd':5B,12 'derlanger':7B 'en':3A,10C 'erlanger':6B,13 'japan':18 'jrock':19 'la':1A,8C 'loc':16 'pl':24 'rose':4A,11C 'sced':25 'set':21,23 'vie':2A,9C 'visualkei':20,22
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['jrock', 'rock', 'visual kei', 'japanese', 'j rock']
                                        'tag_date'  1989
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638545234.5528257  (2021-12-03 16:27:14)
                             'size'  3745462