======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '175'
                                          'artist'  '3 fois merci'
                                     'text_people'  ''
                                         'release'  'Unknown French Album (cd3)'
                                           'title'  'Marcel Azzola'
                                           '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-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'loc-eur-france'
                                             'bpm'  '116.992'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Unknown French Album (cd3)'
'TBPM' (BPM (beats per minute))                     '116.992'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Marcel Azzola'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               '3 fois merci'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '113,207'
'TXXX:Mp3gain_undo'                                 '+003,+003,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'                                     '04'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.30 dB'
'TXXX:replaygain_track_peak'                        '0.479961'

========================== row from database ==========================
                                              'id'  933601
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00french/Unknown French album (cd3)/04-3 fois merci-Marcel Azzola.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  175
                                           'genre'  loc-eur-france
                                        'filesize'  2803659
                                           'mtime'  1620534652
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00french album 04 loc eur france
                                      'tag_artist'  3 fois merci
                                     'tag_release'  Unknown French Album (cd3)
                                       'tag_title'  Marcel Azzola
                                             'bpm'  116.992
                                    'search_title'  'azzola':2 'marcel':1
                                   'search_artist'  '3':1 'fois':2 'merci':3
                                  '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':14 '00mid':11 '3':3B 'album':8C,15 'azzola':2A 'cd3':9C,10C 'eur':17 'europe':13 'fois':4B 'france':18 'french':7C 'loc':16 'marcel':1A 'merci':5B 'north':12 'unknown':6C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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'  1620534652.468358  (2021-05-09 06:30:52)
                             'size'  2803659