======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '266'
                                          'artist'  'The Moody Blues, Peter Knight & The London Festival Orchestra'
                                     'text_people'  'Justin Hayward'
                                         'release'  'The Boat That Rocked OST'
                                           'title'  'Nights In White Satin (Single Edit)'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', "
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 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['60s', 'classic rock', 'psychedelic', 'progressive rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '18'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '140.3'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000DE7 000007CB 00005ABA 000044BD 0002B305 0003E797 00007BA4 00007C81 '
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'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000006F0 0000000000B32800 00000000 00A26783 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'The Boat That Rocked OST'
'TBPM' (BPM (beats per minute))                     '140.3'
'TCOM' (Composer)                                   'Justin Hayward'
'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)         'Nights In White Satin (Single Edit)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Moody Blues, Peter Knight & The London Festival Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '13/18'
'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', 'psychedelic', 'progressive rock', 'rock']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.68 dB'
'TXXX:replaygain_track_peak'                        '0.481077'

========================== row from database ==========================
                                              'id'  1256552
                                            'path'  /data/Music/Bulk/0soundtrack/The Supremes - The boat that rocked OST/2-13 Nights In White Satin (Single E.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  266
                                           'genre'  soundtrack-video
                                        'filesize'  10826023
                                           'mtime'  1620334315
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Supremes boat that rocked 2 13 soundtrack video
                                      'tag_artist'  The Moody Blues, Peter Knight & The London Festival Orchestra
                                     'tag_release'  The Boat That Rocked OST
                                       'tag_title'  Nights In White Satin (Single Edit)
                                             'bpm'  140.3
                                    'search_title'  'edit':7,8 'in':2 'nights':1 'satin':4 'single':5,6 'white':3
                                   'search_artist'  'blues':3,4 'festival':8 'knight':6 'london':7 'moody':2 'orchestra':9 'peter':5 'the':1
                                  'search_release'  'boat':2 'ost':5 'rocked':4 'that':3 'the':1
                                     'search_rest'  '0soundtrack':1 '2':6 'boat':3 'rocked':5 'soundtrack':7 'supremes':2 'that':4 'video':8
                                    'search_combo'  '0soundtrack':23 '2':28 'blues':11B,12B 'boat':19C,25 'edit':7A,8A 'festival':16B 'in':2A 'knight':14B 'london':15B 'moody':10B 'nights':1A 'orchestra':17B 'ost':22C 'peter':13B 'rocked':21C,27 'satin':4A 'single':5A,6A 'soundtrack':29 'supremes':24 'that':20C,26 'the':9B,18C 'video':30 'white':3A
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'classic rock', 'psychedelic', 'progressive rock', 'rock']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620334315.1110966  (2021-05-06 22:51:55)
                             'size'  10826023