======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '175'
                                          'artist'  'Au soleil de Marseille'
                                     'text_people'  ''
                                         'release'  'Unknown French Album (cd3)'
                                           'title'  'Jean vaissade'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'loc-eur-france'
                                             'bpm'  '84.844'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Unknown French Album (cd3)'
'TBPM' (BPM (beats per minute))                     '84.844'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Jean vaissade'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Au soleil de Marseille'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '093,205'
'TXXX:Mp3gain_undo'                                 '+005,+005,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:Tracknum'                                     '06'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+2.89 dB'
'TXXX:replaygain_track_peak'                        '0.413526'

========================== row from database ==========================
                                              'id'  933602
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00french/Unknown French album (cd3)/06-Au soleil de Marseille-Jean vaissade.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  175
                                           'genre'  loc-eur-france
                                        'filesize'  2815800
                                           'mtime'  1620534669
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00french album 06 loc eur france
                                      'tag_artist'  Au soleil de Marseille
                                     'tag_release'  Unknown French Album (cd3)
                                       'tag_title'  Jean vaissade
                                             'bpm'  84.844
                                    'search_title'  'jean':1 'vaissade':2
                                   'search_artist'  'au':1 'de':3 'marseille':4 'soleil':2
                                  'search_release'  'album':3 'cd3':4,5 'french':2 'unknown':1
                                     'search_rest'  '00french':4 '00mid':1 'album':5 'eur':7 'europe':3 'france':8 'loc':6 'north':2
                                    'search_combo'  '00french':15 '00mid':12 'album':9C,16 'au':3B 'cd3':10C,11C 'de':5B 'eur':18 'europe':14 'france':19 'french':8C 'jean':1A 'loc':17 'marseille':6B 'north':13 'soleil':4B 'unknown':7C 'vaissade':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620534668.723876  (2021-05-09 06:31:08)
                             'size'  2815800