======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '357'
                                          'artist'  'The Kovenant'
                                     'text_people'  'The Kovenant'
                                         'release'  'S.E.T.I.'
                                           'title'  'Cybertrash'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['industrial metal', 'cyber metal', 'black metal', 'symphonic black metal', "
 "'industrial']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '139.3'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'GEOB:CT_CUSTOM'                                    GEOB(encoding=<Encoding.LATIN1: 0>, mime='text/plain', filename='', desc='CT_CUSTOM', data=b'')
'GEOB:CT_MY_RATING'                                 GEOB(encoding=<Encoding.LATIN1: 0>, mime='text/plain', filename='', desc='CT_MY_RATING', data=b'\x04\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'S.E.T.I.'
'TBPM' (BPM (beats per minute))                     '139.3'
'TCOM' (Composer)                                   'The Kovenant'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Cybertrash'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Kovenant'
'TPE2' (Band/orchestra/accompaniment)               'The Kovenant'
'TPUB' (Publisher)                                  'Nuclear Blast America'
'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'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['industrial metal',
 'cyber metal',
 'black metal',
 'symphonic black metal',
 'industrial']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                        '-1.98 dB'
'TXXX:replaygain_track_peak'                        '0.380043'

========================== row from database ==========================
                                              'id'  1307770
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Kovenant/S.E.T.I/The Kovenant - 01 - Cybertrash.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  357
                                           'genre'  eid-metal
                                        'filesize'  8573006
                                           'mtime'  1620301814
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 01 eid metal
                                      'tag_artist'  The Kovenant
                                     'tag_release'  S.E.T.I.
                                       'tag_title'  Cybertrash
                                             'bpm'  139.3
                                    'search_title'  'cybertrash':1
                                   'search_artist'  'kovenant':2 'the':1
                                  'search_release'  'e':2 'i':4 's':1 'seti':5 't':3
                                     'search_rest'  '00poprockelectronic':1 'eid':2 'metal':3
                                    'search_combo'  '00poprockelectronic':9 'cybertrash':1A 'e':5C 'eid':10 'i':7C 'kovenant':3B 'metal':11 's':4C 'seti':8C 't':6C 'the':2B
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9A
                                           '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-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['industrial metal', 'cyber metal', 'black metal', 'symphonic black metal', 'industrial']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301813.8121321  (2021-05-06 13:50:13)
                             'size'  8573006