======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '110'
                                          'artist'  'Le Trio Lyrique'
                                     'text_people'  ''
                                         'release'  '248exotica'
                                           'title'  "L'alouette Chantera Le Jour (Mon Phre M'y Marie)"
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-3', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '124.775'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '248exotica'
'TBPM' (BPM (beats per minute))                     '124.775'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         "L'alouette Chantera Le Jour (Mon Phre M'y Marie)"
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Le Trio Lyrique'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.62 dB'
'TXXX:replaygain_track_peak'                        '0.595017'

========================== row from database ==========================
                                              'id'  1498221
                                            'path'  /data/Music/Bulk/00localcharacter/248exotica/Le Trio Lyrique -- L_alouette Chantera Le Jour (Mon Père M_y Marie).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  110
                                           'genre'  loc-unsorted
                                        'filesize'  2644761
                                           'mtime'  1621629617
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter L_alouette Père M_y loc unsorted
                                      'tag_artist'  Le Trio Lyrique
                                     'tag_release'  248exotica
                                       'tag_title'  L'alouette Chantera Le Jour (Mon Phre M'y Marie)
                                             'bpm'  124.775
                                    'search_title'  'alouette':2 'chantera':4 'jour':6 'l':1 'lalouette':3 'le':5 'm':10 'marie':13,14 'mon':7,8 'my':12 'phre':9 'y':11
                                   'search_artist'  'le':1 'lyrique':3 'trio':2
                                  'search_release'  '248exotica':1
                                     'search_rest'  'alouette':2 'l':1 'loc':7 'm':5 'pere':3,4 'unsorted':8 'y':6
                                    'search_combo'  '248exotica':18C 'alouette':2A,20 'chantera':4A 'jour':6A 'l':1A,19 'lalouette':3A 'le':5A,15B 'loc':25 'lyrique':17B 'm':10A,23 'marie':13A,14A 'mon':7A,8A 'my':12A 'pere':21,22 'phre':9A 'trio':16B 'unsorted':26 'y':11A,24
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629616.8305879  (2021-05-21 22:40:16)
                             'size'  2644761