======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '194'
                                          'artist'  'Danny Elfman'
                                     'text_people'  ''
                                         'release'  "Tim Burton's The Nightmare Before Christmas"
                                           'title'  "Jack's Lament"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'instrumental', 'soundtracks', 'composer', 'classical']"
                                     'discogstags'  "['classical', 'stage & screen', 'soundtrack', 'score']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '20'
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '111.886'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:Cover Image'                                  type PictureType.COVER_FRONT (Cover (front)) b'Cover Image'
                                     
'TALB' (Album/Movie/Show title)                     "Tim Burton's The Nightmare Before Christmas"
'TBPM' (BPM (beats per minute))                     '111.886'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         "Jack's Lament"
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Danny Elfman'
'TPE2' (Band/orchestra/accompaniment)               'Danny Elfman'
'TRCK' (Track number/Position in set)               '4/20'
'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:discogstags'                                  ['classical', 'stage & screen', 'soundtrack', 'score']
'TXXX:lastfmtags'                                   ['soundtrack', 'instrumental', 'soundtracks', 'composer', 'classical']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.74 dB'
'TXXX:replaygain_track_peak'                        '0.849171'

========================== row from database ==========================
                                              'id'  1529477
                                            'path'  /data/Music/Bulk/0soundtrack/Danny Elfman/[1993] Tim Burton_s The Nightmare Before Christmas/04 Jack_s Lament.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  194
                                           'genre'  soundtrack-video
                                        'filesize'  4728043
                                           'mtime'  1637438363
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack [1993] Burton_s 04 Jack_s soundtrack video
                                      'tag_artist'  Danny Elfman
                                     'tag_release'  Tim Burton's The Nightmare Before Christmas
                                       'tag_title'  Jack's Lament
                                             'bpm'  111.886
                                    'search_title'  'jack':1 'jacks':3 'lament':4 's':2
                                   'search_artist'  'danny':1 'elfman':2
                                  'search_release'  'before':7 'burton':2 'burtons':4 'christmas':8 'nightmare':6 's':3 'the':5 'tim':1
                                     'search_rest'  '0soundtrack':1 '1993':2,3 'burton':4 'jack':6 's':5,7 'soundtrack':8 'video':9
                                    'search_combo'  '0soundtrack':15 '1993':16,17 'before':13C 'burton':8C,18 'burtons':10C 'christmas':14C 'danny':5B 'elfman':6B 'jack':1A,20 'jacks':3A 'lament':4A 'nightmare':12C 's':2A,9C,19,21 'soundtrack':22 'the':11C 'tim':7C 'video':23
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'instrumental', 'soundtracks', 'composer', 'classical']
                                        'tag_date'  1993
                                     'discogstags'  ['classical', 'stage & screen', 'soundtrack', 'score']

============================== file details ==============================
                                           'mtime'  1637438363.1365833  (2021-11-20 20:59:23)
                             'size'  4728043