======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '137'
                                          'artist'  'sylvie vartan'
                                     'text_people'  ''
                                         'release'  'Des filles et des fleurs  vol.3'
                                           'title'  " m'amuser"
                                           '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'  "['60s', 'chanson francaise', 'female vocalists', 'pop', 'french', 'ye ye']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'loc-eur-france'
                                             'bpm'  '118.706'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Des filles et des fleurs  vol.3'
'TBPM' (BPM (beats per minute))                     '118.706'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         " m'amuser"
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'sylvie vartan'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '01'
'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'                                   ['60s', 'chanson francaise', 'female vocalists', 'pop', 'french', 'ye ye']
'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'                        '-0.12 dB'
'TXXX:replaygain_track_peak'                        '0.713103'

========================== row from database ==========================
                                              'id'  1504861
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00french/va - des filles et des fleurs vol.3 by dr stein/01 sylvie vartan - m_amuser.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  137
                                           'genre'  loc-eur-france
                                        'filesize'  5518153
                                           'mtime'  1620534866
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00french by dr stein 01 m_amuser loc france
                                      'tag_artist'  sylvie vartan
                                     'tag_release'  Des filles et des fleurs  vol.3
                                       'tag_title'   m'amuser
                                             'bpm'  118.706
                                    'search_title'  'amuser':2 'm':1 'mamuser':3
                                   'search_artist'  'sylvie':1 'vartan':2
                                  'search_release'  '3':6 'des':1 'et':3 'filles':2 'fleurs':4 'vol':5 'vol3':7
                                     'search_rest'  '00french':4 '00mid':1 'amuser':9 'by':5 'dr':6 'europe':3 'france':11 'loc':10 'm':8 'north':2 'stein':7
                                    'search_combo'  '00french':16 '00mid':13 '3':11C 'amuser':2A,21 'by':17 'des':6C 'dr':18 'et':8C 'europe':15 'filles':7C 'fleurs':9C 'france':23 'loc':22 'm':1A,20 'mamuser':3A 'north':14 'stein':19 'sylvie':4B 'vartan':5B 'vol':10C 'vol3':12C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9B
                                           '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'  ['60s', 'chanson francaise', 'female vocalists', 'pop', 'french', 'ye ye']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620534866.49841  (2021-05-09 06:34:26)
                             'size'  5518153