======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '173'
                                          'artist'  'John Fred & His Playboy Band'
                                     'text_people'  'John Fred Gourrier & Andrew Bernard'
                                         'release'  'The Boat That Rocked OST'
                                           'title'  'Judy In Disguise (With Glasses)'
                                           'quals'  ("['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-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['60s', 'classic rock', 'oldies', 'rock', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '18'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '132.4'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000A5C 000009E8 000058E8 00004EF3 00021697 00021697 00007B2B 00007C74 '
 '000044C6 00018DDB')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000810 000000000074ECE0 00000000 0069F688 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'The Boat That Rocked OST'
'TBPM' (BPM (beats per minute))                     '132.4'
'TCOM' (Composer)                                   'John Fred Gourrier & Andrew Bernard'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '2009'
'TENC' (Encoded by)                                 'iTunes 8.1.0.52'
'TIT2' (Title/songname/content description)         'Judy In Disguise (With Glasses)'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'John Fred & His Playboy Band'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TRCK' (Track number/Position in set)               '4/18'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['60s', 'classic rock', 'oldies', 'rock', 'pop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.26 dB'
'TXXX:replaygain_track_peak'                        '0.491894'

========================== row from database ==========================
                                              'id'  1272288
                                            'path'  /data/Music/Bulk/0soundtrack/The Supremes - The boat that rocked OST/1-04 Judy In Disguise (With Glasses).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  173
                                           'genre'  soundtrack-video
                                        'filesize'  7127042
                                           'mtime'  1620334314
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Supremes boat that rocked 1 04 soundtrack video
                                      'tag_artist'  John Fred & His Playboy Band
                                     'tag_release'  The Boat That Rocked OST
                                       'tag_title'  Judy In Disguise (With Glasses)
                                             'bpm'  132.4
                                    'search_title'  'disguise':3 'glasses':6,7 'in':2 'judy':1 'with':4,5
                                   'search_artist'  'band':5 'fred':2 'his':3 'john':1 'playboy':4
                                  'search_release'  'boat':2 'ost':5 'rocked':4 'that':3 'the':1
                                     'search_rest'  '0soundtrack':1 '1':6 'boat':3 'rocked':5 'soundtrack':7 'supremes':2 'that':4 'video':8
                                    'search_combo'  '0soundtrack':18 '1':23 'band':12B 'boat':14C,20 'disguise':3A 'fred':9B 'glasses':6A,7A 'his':10B 'in':2A 'john':8B 'judy':1A 'ost':17C 'playboy':11B 'rocked':16C,22 'soundtrack':24 'supremes':19 'that':15C,21 'the':13C 'video':25 'with':4A,5A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  6B
                                           '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'classic rock', 'oldies', 'rock', 'pop']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620334314.0690055  (2021-05-06 22:51:54)
                             'size'  7127042