======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '253'
                                          'artist'  'brigitte bardot et serge gainsbourg'
                                     'text_people'  ''
                                         'release'  'Des filles et des fleurs  vol.3'
                                           'title'  ' bonnie and clyde'
                                           '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-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['french', 'chanson francaise', 'chanson', 'serge gainsbourg', 'chanson "
 "française']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '28'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-eur-france'
                                             'bpm'  '94.196'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Des filles et des fleurs  vol.3'
'TBPM' (BPM (beats per minute))                     '94.196'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TIT2' (Title/songname/content description)         ' bonnie and clyde'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'brigitte bardot et serge gainsbourg'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '28'
'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'                                   ['french',
 'chanson francaise',
 'chanson',
 'serge gainsbourg',
 'chanson française']
'TXXX:q-bass'                                       '4'
'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'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.17 dB'
'TXXX:replaygain_track_peak'                        '0.708205'

========================== row from database ==========================
                                              'id'  1492134
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00french/va - des filles et des fleurs vol.3 by dr stein/28 brigitte bardot et serge gainsbourg - bonnie and clyde.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  253
                                           'genre'  loc-eur-france
                                        'filesize'  10125108
                                           'mtime'  1620534939
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00french va by dr stein 28 loc france
                                      'tag_artist'  brigitte bardot et serge gainsbourg
                                     'tag_release'  Des filles et des fleurs  vol.3
                                       'tag_title'   bonnie and clyde
                                             'bpm'  94.196
                                    'search_title'  'and':2 'bonnie':1 'clyde':3
                                   'search_artist'  'bardot':2 'brigitte':1 'et':3 'gainsbourg':5 'serge':4
                                  'search_release'  '3':6 'des':1 'et':3 'filles':2 'fleurs':4 'vol':5 'vol3':7
                                     'search_rest'  '00french':4 '00mid':1 '28':9 'by':6 'dr':7 'europe':3 'france':11 'loc':10 'north':2 'stein':8 'va':5
                                    'search_combo'  '00french':19 '00mid':16 '28':24 '3':14C 'and':2A 'bardot':5B 'bonnie':1A 'brigitte':4B 'by':21 'clyde':3A 'des':9C 'dr':22 'et':6B,11C 'europe':18 'filles':10C 'fleurs':12C 'france':26 'gainsbourg':8B 'loc':25 'north':17 'serge':7B 'stein':23 'va':20 'vol':13C 'vol3':15C
                                    'tag_tracknum'  28
                                      'num_images'  0
                                             'key'  6A
                                           '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-1', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['french', 'chanson francaise', 'chanson', 'serge gainsbourg', 'chanson française']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620534938.9484446  (2021-05-09 06:35:38)
                             'size'  10125108