======================== unified (from filesystem) ========================
                                         'bitrate'  '283.39'
                                        'duration'  '208'
                                          'artist'  "Disco 01 - Les Rois De L'accordion"
                                     'text_people'  ''
                                         'release'  'Miga Accordion'
                                           'title'  'Maurice Larcange - Paso Royal - paso-doble'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'mi-accordeon'
                                             'bpm'  '97.930'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Miga Accordion'
'TBPM' (BPM (beats per minute))                     '97.930'
'TCON' (Content type, a.k.a. Genre)                 'mi-accordeon'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Maurice Larcange - Paso Royal - paso-doble'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               "Disco 01 - Les Rois De L'accordion"
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+4.87 dB'
'TXXX:replaygain_track_peak'                        '0.272153'

========================== row from database ==========================
                                              'id'  935440
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00french/Accordeón alegre/05 Maurice Larcange - Paso Royal - paso-doble.mp3
                                         'working'  None
                                         'bitrate'  283
                                    'duration_sec'  208
                                           'genre'  mi-accordeon
                                        'filesize'  7382912
                                           'mtime'  1620528231
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00french Accordeón alegre 05 mi accordeon
                                      'tag_artist'  Disco 01 - Les Rois De L'accordion
                                     'tag_release'  Miga Accordion
                                       'tag_title'  Maurice Larcange - Paso Royal - paso-doble
                                             'bpm'  97.93
                                    'search_title'  'doble':6 'larcange':2 'maurice':1 'paso':3,5 'pasodoble':7 'royal':4
                                   'search_artist'  'accordion':6 'de':4 'disco':1 'l':5 'laccordion':7 'les':2 'rois':3
                                  'search_release'  'accordion':2 'miga':1
                                     'search_rest'  '00french':4 '00mid':1 'accordeon':5,6 'alegre':7 'europe':3 'mi':8 'north':2
                                    'search_combo'  '00french':20 '00mid':17 'accordeon':21,22 'accordion':13B,16C 'alegre':23 'de':11B 'disco':8B 'doble':6A 'europe':19 'l':12B 'laccordion':14B 'larcange':2A 'les':9B 'maurice':1A 'mi':24 'miga':15C 'north':18 'paso':3A,5A 'pasodoble':7A 'rois':10B 'royal':4A
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', '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-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528230.9962866  (2021-05-09 04:43:50)
                             'size'  7382912