======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '199'
                                          'artist'  'Maurice Larcange'
                                     'text_people'  ''
                                         'release'  "La France De L'accordeon CD2"
                                           'title'  'Avec Toi Mon Amour'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'summer', 'accordeon', 'french', 'accordion']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'mi-accordeon'
                                             'bpm'  '84.105'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "La France De L'accordeon CD2"
'TBPM' (BPM (beats per minute))                     '84.105'
'TCON' (Content type, a.k.a. Genre)                 'mi-accordeon'
'TIT2' (Title/songname/content description)         'Avec Toi Mon Amour'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Maurice Larcange'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'summer', 'accordeon', 'french', 'accordion']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.94 dB'
'TXXX:replaygain_track_peak'                        '0.261454'

========================== row from database ==========================
                                              'id'  935473
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00french/Accordeón alegre/Maurice Larcange - Avec Toi Mon Amour.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  199
                                           'genre'  mi-accordeon
                                        'filesize'  7971720
                                           'mtime'  1620528257
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00french Accordeón alegre mi
                                      'tag_artist'  Maurice Larcange
                                     'tag_release'  La France De L'accordeon CD2
                                       'tag_title'  Avec Toi Mon Amour
                                             'bpm'  84.105
                                    'search_title'  'amour':4 'avec':1 'mon':3 'toi':2
                                   'search_artist'  'larcange':2 'maurice':1
                                  'search_release'  'accordeon':5 'cd2':7 'de':3 'france':2 'l':4 'la':1 'laccordeon':6
                                     'search_rest'  '00french':4 '00mid':1 'accordeon':5,6 'alegre':7 'europe':3 'mi':8 'north':2
                                    'search_combo'  '00french':17 '00mid':14 'accordeon':11C,18,19 'alegre':20 'amour':4A 'avec':1A 'cd2':13C 'de':9C 'europe':16 'france':8C 'l':10C 'la':7C 'laccordeon':12C 'larcange':6B 'maurice':5B 'mi':21 'mon':3A 'north':15 'toi':2A
                                    'tag_tracknum'  10
                                      '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-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['instrumental', 'summer', 'accordeon', 'french', 'accordion']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528256.6024036  (2021-05-09 04:44:16)
                             'size'  7971720