======================== unified (from filesystem) ========================
                                         'bitrate'  '204.751'
                                        'duration'  '195'
                                          'artist'  'Emilie Simon'
                                     'text_people'  ''
                                         'release'  "La marche de l'empereur OST"
                                           'title'  'song of the storm'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['french', 'electronic', 'female vocalists', 'trip-hop', 'electronica']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  '14'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '125.704'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Track 9'
'TALB' (Album/Movie/Show title)                     "La marche de l'empereur OST"
'TBPM' (BPM (beats per minute))                     '125.704'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'song of the storm'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Emilie Simon'
'TRCK' (Track number/Position in set)               '09/14'
'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'                                   ['french', 'electronic', 'female vocalists', 'trip-hop', 'electronica']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.86 dB'
'TXXX:replaygain_track_peak'                        '0.407196'

========================== row from database ==========================
                                              'id'  258957
                                            'path'  /data/Music/Bulk/0soundtrack/Emilie Simon/09-song_of_the_storm.mp3
                                         'working'  None
                                         'bitrate'  204
                                    'duration_sec'  195
                                           'genre'  soundtrack-video
                                        'filesize'  4997900
                                           'mtime'  1621630352
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack 09 song_of_the_storm soundtrack video
                                      'tag_artist'  Emilie Simon
                                     'tag_release'  La marche de l'empereur OST
                                       'tag_title'  song of the storm
                                             'bpm'  125.704
                                    'search_title'  'of':2 'song':1 'storm':4 'the':3
                                   'search_artist'  'emilie':1 'simon':2
                                  'search_release'  'de':3 'empereur':5 'l':4 'la':1 'lempereur':6 'marche':2 'ost':7
                                     'search_rest'  '0soundtrack':1 'of':3 'song':2 'soundtrack':6 'storm':5 'the':4 'video':7
                                    'search_combo'  '0soundtrack':14 'de':9C 'emilie':5B 'empereur':11C 'l':10C 'la':7C 'lempereur':12C 'marche':8C 'of':2A,16 'ost':13C 'simon':6B 'song':1A,15 'soundtrack':19 'storm':4A,18 'the':3A,17 'video':20
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  6B
                                           '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-2', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['french', 'electronic', 'female vocalists', 'trip-hop', 'electronica']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630351.5527067  (2021-05-21 22:52:31)
                             'size'  4997900