======================== unified (from filesystem) ========================
                                         'bitrate'  '173.798'
                                        'duration'  '241'
                                          'artist'  'The Death Letters'
                                     'text_people'  ''
                                         'release'  'The Death Letters'
                                           'title'  'I Must Confess'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues rock', 'garage rock', 'alternative', 'rock', 'dutch']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '13'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '139.754'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:http://www.cdtag.com:\x02\x00\xad$\x16\x00'   PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xad$\x16\x00')
'TALB' (Album/Movie/Show title)                     'The Death Letters'
'TBPM' (BPM (beats per minute))                     '139.754'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '2009-00-00'
'TIT2' (Title/songname/content description)         'I Must Confess'
'TKEY' (Initial key)                                '7B'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'The Death Letters'
'TPUB' (Publisher)                                  'Cool Buzz'
'TRCK' (Track number/Position in set)               '9/13'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 3.97 (-V2 --vbr-new)'
'TXXX:Catalog #'                                    'CLBZ 024'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:Release type'                                 'Normal release'
'TXXX:Rip date'                                     '2009-02-06'
'TXXX:Source'                                       'CD'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['blues rock', 'garage rock', 'alternative', 'rock', 'dutch']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.07 dB'
'TXXX:replaygain_track_peak'                        '0.451970'

========================== row from database ==========================
                                              'id'  1417852
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/The Death Letters/The Death Letters/09-the_death_letters-i_must_confess.mp3
                                         'working'  None
                                         'bitrate'  174
                                    'duration_sec'  241
                                           'genre'  rock-unsorted
                                        'filesize'  5245381
                                           'mtime'  1678463693
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 09 the_death_letters i_must_confess rock unsorted
                                      'tag_artist'  The Death Letters
                                     'tag_release'  The Death Letters
                                       'tag_title'  I Must Confess
                                             'bpm'  139.754
                                    'search_title'  'confess':3 'i':1 'must':2
                                   'search_artist'  'death':2 'letters':3 'the':1
                                  'search_release'  'death':2 'letters':3 'the':1
                                     'search_rest'  '00poprockelectronic':1 'confess':9 'death':5 'i':7 'indierock':3 'letters':6 'must':8 'poprock':2 'rock':10 'the':4 'unsorted':11
                                    'search_combo'  '00poprockelectronic':10 'confess':3A,18 'death':5B,8C,14 'i':1A,16 'indierock':12 'letters':6B,9C,15 'must':2A,17 'poprock':11 'rock':19 'the':4B,7C,13 'unsorted':20
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  ['blues rock', 'garage rock', 'alternative', 'rock', 'dutch']
                                        'tag_date'  2009
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1678463693.109046  (2023-03-10 16:54:53)
                             'size'  5245381