======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '75'
                                          'artist'  'Klimperei'
                                     'text_people'  ''
                                         'release'  'Petit aéroplane'
                                           'title'  'La danse des ânes'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-UNU-3', "
 "'Q-LOCALNESS-3', 'Q-PLAY-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-vocals-1', 'q-mixbeat-1', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['toy pop', 'avant garde', 'french', 'experimental', 'art rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '21'
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '109.8'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 0000020E 00000231 0000054C 00000637 00005819 00005819 00003A25 00003659 '
 '0000B033 0000B061')
'COMM:iTunes_CDDB_1:eng'                            'DD10D922+323678+34+150+15869+28476+40969+51667+63674+74677+83754+97064+105371+115989+127398+138833+150752+157622+162971+172552+180734+190693+197509+210564+219600+225234+231007+237651+246983+251897+259223+264280+273997+280809+293226+300099+306965'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '22'
'PRIV:AverageLevel:{\r\x00\x00'                     PRIV(owner='AverageLevel', data=b'{\r\x00\x00')
'PRIV:PeakValue:!j\x00\x00'                         PRIV(owner='PeakValue', data=b'!j\x00\x00')
'TALB' (Album/Movie/Show title)                     'Petit aéroplane'
'TBPM' (BPM (beats per minute))                     '109.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '1994'
'TENC' (Encoded by)                                 'iTunes v2.0.2'
'TIT2' (Title/songname/content description)         'La danse des ânes'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Klimperei'
'TRCK' (Track number/Position in set)               '9/21'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['toy pop', 'avant garde', 'french', 'experimental', 'art rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.65 dB'
'TXXX:replaygain_track_peak'                        '0.586698'

========================== row from database ==========================
                                              'id'  1370990
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Klimperei - Petit aéroplane/09 La danse des ânes.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  75
                                           'genre'  electronic-experimental
                                        'filesize'  1806438
                                           'mtime'  1621628799
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 09 electronic experimental
                                      'tag_artist'  Klimperei
                                     'tag_release'  Petit aéroplane
                                       'tag_title'  La danse des ânes
                                             'bpm'  109.8
                                    'search_title'  'anes':4,5 'danse':2 'des':3 'la':1
                                   'search_artist'  'klimperei':1
                                  'search_release'  'aeroplane':2,3 'petit':1
                                     'search_rest'  'electronic':1 'experimental':2
                                    'search_combo'  'aeroplane':8C,9C 'anes':4A,5A 'danse':2A 'des':3A 'electronic':10 'experimental':11 'klimperei':6B 'la':1A 'petit':7C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['toy pop', 'avant garde', 'french', 'experimental', 'art rock']
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628798.789346  (2021-05-21 22:26:38)
                             'size'  1806438