======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '277'
                                          'artist'  'Disturbed'
                                     'text_people'  ''
                                         'release'  'Indestructible'
                                           'title'  'Indestructible'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-4', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative', 'hard rock', 'metal', 'nu metal', 'rock']"
                                     'discogstags'  "['rock', 'hard rock', 'heavy metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'eid-metal-nu'
                                             'bpm'  '120.042'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:{-\x00\x00'                      PRIV(owner='AverageLevel', data=b'{-\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Indestructible'
'TBPM' (BPM (beats per minute))                     '120.042'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-nu'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Indestructible'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Disturbed'
'TPE2' (Band/orchestra/accompaniment)               'Disturbed'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'hard rock', 'heavy metal']
'TXXX:lastfmtags'                                   ['alternative', 'hard rock', 'metal', 'nu metal', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.99 dB'
'TXXX:replaygain_track_peak'                        '0.341828'

========================== row from database ==========================
                                              'id'  1269248
                                            'path'  /data/Music/Bulk/00dwimp/Disturbed/Indestructible/Disturbed - Indestructible.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  277
                                           'genre'  eid-metal-nu
                                        'filesize'  11109049
                                           'mtime'  1620311083
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp eid metal nu
                                      'tag_artist'  Disturbed
                                     'tag_release'  Indestructible
                                       'tag_title'  Indestructible
                                             'bpm'  120.042
                                    'search_title'  'indestructible':1
                                   'search_artist'  'disturbed':1
                                  'search_release'  'indestructible':1
                                     'search_rest'  '00dwimp':1 'eid':2 'metal':3 'nu':4
                                    'search_combo'  '00dwimp':4 'disturbed':2B 'eid':5 'indestructible':1A,3C 'metal':6 'nu':7
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-4', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['alternative', 'hard rock', 'metal', 'nu metal', 'rock']
                                        'tag_date'  2008
                                     'discogstags'  ['rock', 'hard rock', 'heavy metal']

============================== file details ==============================
                                           'mtime'  1620311083.396662  (2021-05-06 16:24:43)
                             'size'  11109049