======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '140'
                                          'artist'  'John Barry'
                                     'text_people'  ''
                                         'release'  'You Only Live Twice'
                                           'title'  'Helga (Film Ver)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'instrumental', 'composers', 'composer', 'classical']"
                                     'discogstags'  "['jazz', 'pop', 'stage & screen']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  ''
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '130.146'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'You Only Live Twice'
'TBPM' (BPM (beats per minute))                     '130.146'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1967'
'TIT2' (Title/songname/content description)         'Helga (Film Ver)'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'John Barry'
'TPE2' (Band/orchestra/accompaniment)               'John Barry'
'TRCK' (Track number/Position in set)               '19'
'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'                                  ['jazz', 'pop', 'stage & screen']
'TXXX:lastfmtags'                                   ['soundtrack', 'instrumental', 'composers', 'composer', 'classical']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.75 dB'
'TXXX:replaygain_track_peak'                        '0.972273'

========================== row from database ==========================
                                              'id'  353835
                                            'path'  /data/Music/Bulk/0soundtrack/[1967] You Only Live Twice/John Barry - Helga (Film Ver).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  140
                                           'genre'  soundtrack-video
                                        'filesize'  6744243
                                           'mtime'  1636923491
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack [1967] soundtrack video
                                      'tag_artist'  John Barry
                                     'tag_release'  You Only Live Twice
                                       'tag_title'  Helga (Film Ver)
                                             'bpm'  130.146
                                    'search_title'  'film':2,3 'helga':1 'ver':4,5
                                   'search_artist'  'barry':2 'john':1
                                  'search_release'  'live':3 'only':2 'twice':4 'you':1
                                     'search_rest'  '0soundtrack':1 '1967':2,3 'soundtrack':4 'video':5
                                    'search_combo'  '0soundtrack':12 '1967':13,14 'barry':7B 'film':2A,3A 'helga':1A 'john':6B 'live':10C 'only':9C 'soundtrack':15 'twice':11C 'ver':4A,5A 'video':16 'you':8C
                                    'tag_tracknum'  19
                                      'num_images'  1
                                             'key'  7B
                                           '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-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'instrumental', 'composers', 'composer', 'classical']
                                        'tag_date'  1967
                                     'discogstags'  ['jazz', 'pop', 'stage & screen']

============================== file details ==============================
                                           'mtime'  1636923491.3414724  (2021-11-14 21:58:11)
                             'size'  6744243