======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '196'
                                          'artist'  'Gianni Ferrio'
                                     'text_people'  'Gianni Ferrio'
                                         'release'  'La Poliziotta'
                                           'title'  'Almost Love #4'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', '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', 'lounge', 'secretagent', 'spaghetti western', 'italian']"
                                     'discogstags'  ("['jazz', 'funk / soul', 'classical', 'stage & screen', 'soundtrack', "
 "'soul-jazz']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '20'
                                            'date'  '1974'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '115.9'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00001270 0000066C 0000D310 00005A49 0001F23B 000210B5 00008000 00008000 '
 '0000D90D 0000D924')
'COMM:iTunes_CDDB_1:eng'                            '09098214+182773+20+150+9885+21845+30350+36231+46179+58953+72505+77659+87365+94563+103795+118550+124726+133364+140117+149295+162050+168928+174113'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '12'
'TALB' (Album/Movie/Show title)                     'La Poliziotta'
'TBPM' (BPM (beats per minute))                     '115.9'
'TCOM' (Composer)                                   'Gianni Ferrio'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1974'
'TENC' (Encoded by)                                 'iTunes v7.5.0.20'
'TIT2' (Title/songname/content description)         'Almost Love #4'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Gianni Ferrio'
'TPE2' (Band/orchestra/accompaniment)               'Gianni Ferrio'
'TRCK' (Track number/Position in set)               '12/20'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz',
 'funk / soul',
 'classical',
 'stage & screen',
 'soundtrack',
 'soul-jazz']
'TXXX:lastfmtags'                                   ['soundtrack', 'lounge', 'secretagent', 'spaghetti western', 'italian']
'TXXX:q-bass'                                       '4'
'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'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.66 dB'
'TXXX:replaygain_track_peak'                        '0.509323'

========================== row from database ==========================
                                              'id'  1368613
                                            'path'  /data/Music/Bulk/0soundtrack/La Poliziotta-Gianni Ferrio-1974/12-Almost Love #4.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  196
                                           'genre'  soundtrack-video
                                        'filesize'  7907334
                                           'mtime'  1636915075
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack 1974 12 soundtrack video
                                      'tag_artist'  Gianni Ferrio
                                     'tag_release'  La Poliziotta
                                       'tag_title'  Almost Love #4
                                             'bpm'  115.9
                                    'search_title'  '4':3,4 'almost':1 'love':2
                                   'search_artist'  'ferrio':2 'gianni':1
                                  'search_release'  'la':1 'poliziotta':2
                                     'search_rest'  '0soundtrack':1 '1974':2 'soundtrack':3 'video':4
                                    'search_combo'  '0soundtrack':9 '1974':10 '4':3A,4A 'almost':1A 'ferrio':6B 'gianni':5B 'la':7C 'love':2A 'poliziotta':8C 'soundtrack':11 'video':12
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  9B
                                           '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-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'lounge', 'secretagent', 'spaghetti western', 'italian']
                                        'tag_date'  1974
                                     'discogstags'  ['jazz', 'funk / soul', 'classical', 'stage & screen', 'soundtrack', 'soul-jazz']

============================== file details ==============================
                                           'mtime'  1636915074.932252  (2021-11-14 19:37:54)
                             'size'  7907334