======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '142'
                                          'artist'  'Il revient'
                                     'text_people'  ''
                                         'release'  'Sixties Yéyé Garagiste Underground'
                                           'title'  'Les Chaussettes Noires'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'loc-eur-france'
                                             'bpm'  '117.3'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sixties Yéyé Garagiste Underground'
'TBPM' (BPM (beats per minute))                     '117.3'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Les Chaussettes Noires'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Il revient'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.16 dB'
'TXXX:replaygain_track_peak'                        '0.321276'

========================== row from database ==========================
                                              'id'  1397690
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/red noise - Sixties Yéyé Garagiste Underground Frenchies Compilation/01 - Il revient - Les Chaussettes Noires.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  142
                                           'genre'  loc-eur-france
                                        'filesize'  2281349
                                           'mtime'  1620535708
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe red noise Frenchies Compilation 01 loc eur france
                                      'tag_artist'  Il revient
                                     'tag_release'  Sixties Yéyé Garagiste Underground
                                       'tag_title'  Les Chaussettes Noires
                                             'bpm'  117.3
                                    'search_title'  'chaussettes':2 'les':1 'noires':3
                                   'search_artist'  'il':1 'revient':2
                                  'search_release'  'garagiste':4 'sixties':1 'underground':5 'yeye':2,3
                                     'search_rest'  '00mid':1 'compilation':7 'eur':9 'europe':3 'france':10 'frenchies':6 'loc':8 'noise':5 'north':2 'red':4
                                    'search_combo'  '00mid':11 'chaussettes':2A 'compilation':17 'eur':19 'europe':13 'france':20 'frenchies':16 'garagiste':9C 'il':4B 'les':1A 'loc':18 'noires':3A 'noise':15 'north':12 'red':14 'revient':5B 'sixties':6C 'underground':10C 'yeye':7C,8C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620535708.4728906  (2021-05-09 06:48:28)
                             'size'  2281349