======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '169'
                                          'artist'  'Gershon Kingsley'
                                     'text_people'  ''
                                         'release'  'Music To Moog By'
                                           'title'  'Paperback Writer'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-OLDST-2', "
 "'Q-HHRNBTT-1', 'q-syn-4', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['avant garde', 'musique concrète', 'electronic', 'experimental', 'moog']"
                                     'discogstags'  "['electronic', 'pop', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '10'
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'mi-earlysynth-moog'
                                             'bpm'  '143.1'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         ['0',
 ' 00000BF2 00000EAF 000039CC 00005712 0001E51A 000238C6 00008150 00007A34 '
 '00020692 0001F2FA',
 ' 00000000 00000210 00000AD4 0000000000723E1C 00000000 0052D4E6 00000000 '
 '00000000 00000000 00000000 00000000 00000000']
'COMM:iTunes_CDDB_IDs:eng'                          '10+324776B81F814EAFCC0D1E26B642BAF0+3461082'
'PRIV:AverageLevel:{\x16\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x16\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Music To Moog By'
'TBPM' (BPM (beats per minute))                     '143.1'
'TCON' (Content type, a.k.a. Genre)                 'mi-earlysynth-moog'
'TDRC' (Recording time)                             '1969'
'TENC' (Encoded by)                                 'iTunes v7.1.1'
'TIT2' (Title/songname/content description)         'Paperback Writer'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gershon Kingsley'
'TRCK' (Track number/Position in set)               '10/10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['electronic', 'pop', 'synth-pop']
'TXXX:lastfmtags'                                   ['avant garde', 'musique concrète', 'electronic', 'experimental', 'moog']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.11 dB'
'TXXX:replaygain_track_peak'                        '0.507544'

========================== row from database ==========================
                                              'id'  766819
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Gershon Kingsley - Music To Moog By (1969)/Paperback Writer.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  169
                                           'genre'  mi-earlysynth-moog
                                        'filesize'  5705478
                                           'mtime'  1621705465
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm (1969) mi earlysynth moog
                                      'tag_artist'  Gershon Kingsley
                                     'tag_release'  Music To Moog By
                                       'tag_title'  Paperback Writer
                                             'bpm'  143.1
                                    'search_title'  'paperback':1 'writer':2
                                   'search_artist'  'gershon':1 'kingsley':2
                                  'search_release'  'by':4 'moog':3 'music':1 'to':2
                                     'search_rest'  '1969':1,2 'earlysynth':4 'mi':3 'moog':5
                                    'search_combo'  '1969':9,10 'by':8C 'earlysynth':12 'gershon':3B 'kingsley':4B 'mi':11 'moog':7C,13 'music':5C 'paperback':1A 'to':6C 'writer':2A
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-4', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['avant garde', 'musique concrète', 'electronic', 'experimental', 'moog']
                                        'tag_date'  1969
                                     'discogstags'  ['electronic', 'pop', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1621705464.7322137  (2021-05-22 19:44:24)
                             'size'  5705478