======================== unified (from filesystem) ========================
                                         'bitrate'  '230.921'
                                        'duration'  '158'
                                          'artist'  'Yann Tiersen'
                                     'text_people'  ''
                                         'release'  "Le Fabuleux Destin d'Amélie Poulain"
                                           'title'  "La valse d'Amilie (piano)"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'Q-PLAY-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-1', "
 "'Q-PIANO-4', 'q-chart-3', 'q-drums-1', 'q-other-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'soundtrack', 'piano', 'classical', 'french']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '121.774'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 000001BC 00000297 00000699'
'COMM:iTunNORM:eng'                                 (' 000001BC 00000297 00000699 000009E0 00013322 0001A9F1 00003128 00003F26 '
 '00013322 00013322')
'TALB' (Album/Movie/Show title)                     "Le Fabuleux Destin d'Amélie Poulain"
'TBPM' (BPM (beats per minute))                     '121.774'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         "La valse d'Amilie (piano)"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Yann Tiersen'
'TPE2' (Band/orchestra/accompaniment)               'Yann Tiersen'
'TRCK' (Track number/Position in set)               '19'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97 (beta)'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'soundtrack', 'piano', 'classical', 'french']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.93 dB'
'TXXX:replaygain_track_peak'                        '0.574191'

========================== row from database ==========================
                                              'id'  1522765
                                            'path'  /data/Music/Bulk/0soundtrack/Tiersen, Yann - Yann Tiersen/Amelie Soundtrack - Le Fabuleux Destin d_Amélie Poulain/19 La valse d_Amélie (piano).mp3
                                         'working'  None
                                         'bitrate'  231
                                    'duration_sec'  158
                                           'genre'  soundtrack-video
                                        'filesize'  4584009
                                           'mtime'  1621630384
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Tiersen, Amelie Soundtrack d_Amélie 19 d_Amélie soundtrack video
                                      'tag_artist'  Yann Tiersen
                                     'tag_release'  Le Fabuleux Destin d'Amélie Poulain
                                       'tag_title'  La valse d'Amilie (piano)
                                             'bpm'  121.774
                                    'search_title'  'amilie':4 'd':3 'damilie':5 'la':1 'piano':6,7 'valse':2
                                   'search_artist'  'tiersen':2 'yann':1
                                  'search_release'  'amelie':5,8 'd':4,7 'damelie':6,9 'destin':3 'fabuleux':2 'le':1 'poulain':10
                                     'search_rest'  '0soundtrack':1 '19':10 'amelie':4,7,9 'd':6,8 'soundtrack':5 'tiersen':2,3 'video':11
                                    'search_combo'  '0soundtrack':20 '19':29 'amelie':14C,17C,23,26,28 'amilie':4A 'd':3A,13C,16C,25,27 'damelie':15C,18C 'damilie':5A 'destin':12C 'fabuleux':11C 'la':1A 'le':10C 'piano':6A,7A 'poulain':19C 'soundtrack':24 'tiersen':9B,21,22 'valse':2A 'video':30 'yann':8B
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['instrumental', 'soundtrack', 'piano', 'classical', 'french']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630384.3252258  (2021-05-21 22:53:04)
                             'size'  4584009