======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '154'
                                          'artist'  'Hypnotic'
                                     'text_people'  ''
                                         'release'  'Hypnotic'
                                           'title'  'Loudmouth'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
 "'Q-OLDST-3', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronic', 'chill', 'death metal', 'relaxing', 'ambient']"
                                     'discogstags'  "['progressive house', 'electronic', 'euro house', 'tech house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '9'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '101.870'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Cleaned by TuneUp!'
'COMM:ID3v1 Comment:XXX'                            'Cleaned by TuneUp!'
'COMM:iTunNORM:eng'                                 (' 00001201 00001201 00007E11 00007E11 00012ADD 00012ADD 00008000 00008000 '
 '00000C10 00000C10')
'PRIV:AverageLevel:k\x1a\x00\x00'                   PRIV(owner='AverageLevel', data=b'k\x1a\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Hypnotic'
'TBPM' (BPM (beats per minute))                     '101.870'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Loudmouth'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Hypnotic'
'TPE2' (Band/orchestra/accompaniment)               'Hypnotic'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4/9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['progressive house', 'electronic', 'euro house', 'tech house']
'TXXX:lastfmtags'                                   ['electronic', 'chill', 'death metal', 'relaxing', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.14 dB'
'TXXX:replaygain_track_peak'                        '0.406399'

========================== row from database ==========================
                                              'id'  1350871
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/04 - loudmouth(2).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  154
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  3735210
                                           'mtime'  1620541180
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 04 loudmouth(2) prerock jb jazz unsorted
                                      'tag_artist'  Hypnotic
                                     'tag_release'  Hypnotic
                                       'tag_title'  Loudmouth
                                             'bpm'  101.87
                                    'search_title'  'loudmouth':1
                                   'search_artist'  'hypnotic':1
                                  'search_release'  'hypnotic':1
                                     'search_rest'  '00poprockelectronic':1 '2':8 'files':5,6 'jazz':12 'jb':11 'loose':3,4 'loudmouth':7 'loudmouth2':9 'prerock':10 'unsorted':2
                                    'search_combo'  '00poprockelectronic':4 '2':11 'files':8,9 'hypnotic':2B,3C 'jazz':15 'jb':14 'loose':6,7 'loudmouth':1A,10 'loudmouth2':12 'prerock':13 'unsorted':5
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['electronic', 'chill', 'death metal', 'relaxing', 'ambient']
                                        'tag_date'  2003
                                     'discogstags'  ['progressive house', 'electronic', 'euro house', 'tech house']

============================== file details ==============================
                                           'mtime'  1620541179.5087109  (2021-05-09 08:19:39)
                             'size'  3735210