======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '134'
                                          'artist'  'Philippe Besombes'
                                     'text_people'  ''
                                         'release'  'Libra (Un film du groupe Pattern)'
                                           'title'  'Ballade en vilo '
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['synth', 'electronic', 'minimal', 'experimental', 'nurse with wound list']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '17'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'soundtrack-video-movies'
                                             'bpm'  '123.784'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Libra (Un film du groupe Pattern)'
'TBPM' (BPM (beats per minute))                     '123.784'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-movies'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Ballade en vilo '
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Philippe Besombes'
'TRCK' (Track number/Position in set)               '4/17'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['synth', 'electronic', 'minimal', 'experimental', 'nurse with wound list']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.44 dB'
'TXXX:replaygain_track_peak'                        '0.719923'

========================== row from database ==========================
                                              'id'  767242
                                            'path'  /data/Music/Bulk/0soundtrack/Libra (Un film du groupe Pattern)/04 Ballade en vélo.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  134
                                           'genre'  soundtrack-video-movies
                                        'filesize'  5396012
                                           'mtime'  1636916463
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack 04 vélo soundtrack video movies
                                      'tag_artist'  Philippe Besombes
                                     'tag_release'  Libra (Un film du groupe Pattern)
                                       'tag_title'  Ballade en vilo 
                                             'bpm'  123.784
                                    'search_title'  'ballade':1 'en':2 'vilo':3
                                   'search_artist'  'besombes':2 'philippe':1
                                  'search_release'  'du':5 'film':4 'groupe':6 'libra':1 'pattern':7,8 'un':2,3
                                     'search_rest'  '0soundtrack':1 'movies':6 'soundtrack':4 'velo':2,3 'video':5
                                    'search_combo'  '0soundtrack':14 'ballade':1A 'besombes':5B 'du':10C 'en':2A 'film':9C 'groupe':11C 'libra':6C 'movies':19 'pattern':12C,13C 'philippe':4B 'soundtrack':17 'un':7C,8C 'velo':15,16 'video':18 'vilo':3A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             '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-2', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['synth', 'electronic', 'minimal', 'experimental', 'nurse with wound list']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916463.1259916  (2021-11-14 20:01:03)
                             'size'  5396012