======================== unified (from filesystem) ========================
                                         'bitrate'  '246.37'
                                        'duration'  '240'
                                          'artist'  'Devildriver'
                                     'text_people'  ''
                                         'release'  'The Last Kind Words'
                                           'title'  'Bound By The Moon'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['metalcore', 'thrash metal', 'death metal', 'metal', 'groove metal']"
                                     'discogstags'  "['rock', 'death metal', 'heavy metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '105'
                                             '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)                     'The Last Kind Words'
'TBPM' (BPM (beats per minute))                     '105'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Bound By The Moon'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Devildriver'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'death metal', 'heavy metal']
'TXXX:lastfmtags'                                   ['metalcore', 'thrash metal', 'death metal', 'metal', 'groove metal']
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.41 dB'
'TXXX:replaygain_track_peak'                        '0.417151'

========================== row from database ==========================
                                              'id'  1399101
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Devildriver/The Last Kind Words/03-bound_by_the_moon-qtxmp3.mp3
                                         'working'  None
                                         'bitrate'  246
                                    'duration_sec'  240
                                           'genre'  eid-metal-death
                                        'filesize'  7403517
                                           'mtime'  1620301940
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 03 bound_by_the_moon qtxmp3 eid metal death
                                      'tag_artist'  Devildriver
                                     'tag_release'  The Last Kind Words
                                       'tag_title'  Bound By The Moon
                                             'bpm'  105.0
                                    'search_title'  'bound':1 'by':2 'moon':4 'the':3
                                   'search_artist'  'devildriver':1
                                  'search_release'  'kind':3 'last':2 'the':1 'words':4
                                     'search_rest'  '00dwimp':1 '00metal':2 'bound':3 'by':4 'death':10 'eid':8 'metal':9 'moon':6 'qtxmp3':7 'the':5
                                    'search_combo'  '00dwimp':10 '00metal':11 'bound':1A,12 'by':2A,13 'death':19 'devildriver':5B 'eid':17 'kind':8C 'last':7C 'metal':18 'moon':4A,15 'qtxmp3':16 'the':3A,6C,14 'words':9C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', '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'  ['metalcore', 'thrash metal', 'death metal', 'metal', 'groove metal']
                                        'tag_date'  2007
                                     'discogstags'  ['rock', 'death metal', 'heavy metal']

============================== file details ==============================
                                           'mtime'  1620301940.2331293  (2021-05-06 13:52:20)
                             'size'  7403517