======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '230'
                                          'artist'  'Benjamin Biolay'
                                     'text_people'  ''
                                         'release'  'Rose Kennedy'
                                           'title'  ''
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-1', 'q-other-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['chanson', 'chanson francaise', 'pop', 'french', 'singer songwriter']"
                                     'discogstags'  "['electronic', 'rock', 'folk rock', 'lounge', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-eur-france'
                                             'bpm'  '134.288'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Rose Kennedy'
'TBPM' (BPM (beats per minute))                     '134.288'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TDRC' (Recording time)                             '2001'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Benjamin Biolay'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'folk rock', 'lounge', 'downtempo']
'TXXX:lastfmtags'                                   ['chanson', 'chanson francaise', 'pop', 'french', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.93 dB'
'TXXX:replaygain_track_peak'                        '0.646367'

========================== row from database ==========================
                                              'id'  1405191
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Rose Kennedy/13-Un ete sur la cote.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  230
                                           'genre'  loc-eur-france
                                        'filesize'  5546861
                                           'mtime'  1621630021
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 13 Un ete sur cote loc eur france
                                      'tag_artist'  Benjamin Biolay
                                     'tag_release'  Rose Kennedy
                                       'tag_title'  None
                                             'bpm'  134.288
                                    'search_title'  None
                                   'search_artist'  'benjamin':1 'biolay':2
                                  'search_release'  'kennedy':2 'rose':1
                                     'search_rest'  '00poprockelectronic':1 'cote':8 'dance':3 'ete':6 'eur':10 'france':11 'generic':2 'loc':9 'sur':7 'trapbeat':4 'un':5
                                    'search_combo'  '00poprockelectronic':5 'benjamin':1B 'biolay':2B 'cote':12 'dance':7 'ete':10 'eur':14 'france':15 'generic':6 'kennedy':4C 'loc':13 'rose':3C 'sur':11 'trapbeat':8 'un':9
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['chanson', 'chanson francaise', 'pop', 'french', 'singer songwriter']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic', 'rock', 'folk rock', 'lounge', 'downtempo']

============================== file details ==============================
                                           'mtime'  1621630021.0786312  (2021-05-21 22:47:01)
                             'size'  5546861