======================== unified (from filesystem) ========================
                                         'bitrate'  '229.204'
                                        'duration'  '158'
                                          'artist'  'Maxence Cyrin'
                                     'text_people'  ''
                                         'release'  'The Fantasist'
                                           'title'  'Le Cercueil De Sarah'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'Q-PIANO-3', 'q-chart-2', 'q-drums-1', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['fip', 'neo classical', 'modern classical', 'instrumental', 'ambient', "
 "'piano']")
                                     'discogstags'  "['pop', 'classical', 'neo-classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic;set-cover or covered'
                                             'bpm'  '120.8'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Fantasist'
'TBPM' (BPM (beats per minute))                     '120.8'
'TCON' (Content type, a.k.a. Genre)                 ['electronic', 'set-cover or covered']
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         'Le Cercueil De Sarah'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Maxence Cyrin'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['pop', 'classical', 'neo-classical']
'TXXX:lastfmtags'                                   ['fip', 'neo classical', 'modern classical', 'instrumental', 'ambient', 'piano']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.73 dB'
'TXXX:replaygain_track_peak'                        '0.555856'

========================== row from database ==========================
                                              'id'  1383455
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Maxence Cyrin - The Fantasist/Fantasist07-Le Cercueil De Sarah.mp3
                                         'working'  None
                                         'bitrate'  229
                                    'duration_sec'  158
                                           'genre'  electronic;set-cover or covered
                                        'filesize'  4561382
                                           'mtime'  1636913196
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer Fantasist07 electronic;set cover or covered
                                      'tag_artist'  Maxence Cyrin
                                     'tag_release'  The Fantasist
                                       'tag_title'  Le Cercueil De Sarah
                                             'bpm'  120.8
                                    'search_title'  'cercueil':2 'de':3 'le':1 'sarah':4
                                   'search_artist'  'cyrin':2 'maxence':1
                                  'search_release'  'fantasist':2 'the':1
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 'cover':8 'covered':10 'electronic':4,6 'fantasist07':3 'or':9 'set':5,7
                                    'search_combo'  '00calmer':10 '00poprockelectronic':9 'cercueil':2A 'cover':16 'covered':18 'cyrin':6B 'de':3A 'electronic':12,14 'fantasist':8C 'fantasist07':11 'le':1A 'maxence':5B 'or':17 'sarah':4A 'set':13,15 'the':7C
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['fip', 'neo classical', 'modern classical', 'instrumental', 'ambient', 'piano']
                                        'tag_date'  2012
                                     'discogstags'  ['pop', 'classical', 'neo-classical']

============================== file details ==============================
                                           'mtime'  1636913196.3171725  (2021-11-14 19:06:36)
                             'size'  4561382