======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '133'
                                          'artist'  'delizia'
                                     'text_people'  ''
                                         'release'  'Des filles et des fleurs  vol.3'
                                           'title'  " j'ai rendez-vous"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ye-ye', 'french 60s', 'mondiovision', 'french', '60s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-eur-france'
                                             'bpm'  '109.527'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Des filles et des fleurs  vol.3'
'TBPM' (BPM (beats per minute))                     '109.527'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TIT2' (Title/songname/content description)         " j'ai rendez-vous"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'delizia'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '02'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf55.19.100'
'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:lastfmtags'                                   ['ye-ye', 'french 60s', 'mondiovision', 'french', '60s']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.16 dB'
'TXXX:replaygain_track_peak'                        '0.429608'

========================== row from database ==========================
                                              'id'  1512564
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00french/va - des filles et des fleurs vol.3 by dr stein/02 delizia - j_ai rendez-vous.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  133
                                           'genre'  loc-eur-france
                                        'filesize'  5327982
                                           'mtime'  1620534868
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00french va by dr stein 02 j_ai loc france
                                      'tag_artist'  delizia
                                     'tag_release'  Des filles et des fleurs  vol.3
                                       'tag_title'   j'ai rendez-vous
                                             'bpm'  109.527
                                    'search_title'  'ai':2 'j':1 'jai':3 'rendez':4 'rendezvous':6 'vous':5
                                   'search_artist'  'delizia':1
                                  'search_release'  '3':6 'des':1 'et':3 'filles':2 'fleurs':4 'vol':5 'vol3':7
                                     'search_rest'  '00french':4 '00mid':1 'ai':10 'by':6 'dr':7 'europe':3 'france':12 'j':9 'loc':11 'north':2 'stein':8 'va':5
                                    'search_combo'  '00french':18 '00mid':15 '3':13C 'ai':2A,24 'by':20 'delizia':7B 'des':8C 'dr':21 'et':10C 'europe':17 'filles':9C 'fleurs':11C 'france':26 'j':1A,23 'jai':3A 'loc':25 'north':16 'rendez':4A 'rendezvous':6A 'stein':22 'va':19 'vol':12C 'vol3':14C 'vous':5A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  9A
                                           '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-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['ye-ye', 'french 60s', 'mondiovision', 'french', '60s']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620534867.585149  (2021-05-09 06:34:27)
                             'size'  5327982