======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '84'
                                          'artist'  'The Dresden Dolls'
                                     'text_people'  'Amanda Palmer'
                                         'release'  'The Dresden Dolls'
                                           'title'  '672'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
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 "'Q-PIANO-4', 'q-chart-3', 'q-drums-1', 'q-other-3', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['punk cabaret', 'indie', 'cabaret', 'dark cabaret', 'dresden dolls']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '12'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter;ifs-songwriter-eos'
                                             'bpm'  '138.607'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'The Dresden Dolls'
'TBPM' (BPM (beats per minute))                     '138.607'
'TCOM' (Composer)                                   'Amanda Palmer'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter', 'ifs-songwriter-eos']
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003-09-26'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'The Dresden Dolls'], ['producer', 'Martin Bisi']])
'TIT2' (Title/songname/content description)         '672'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'The Dresden Dolls'
'TPE2' (Band/orchestra/accompaniment)               'The Dresden Dolls'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  '[no label]'
'TRCK' (Track number/Position in set)               '5/12'
'TSO2'                                              'Dresden Dolls, The'
'TSOP' (Performer sort order)                       'Dresden Dolls, The'
'TSRC' (ISRC (international standard recording code))  'NLA320420772'
'TXXX:MusicBrainz Album Artist Id'                  '107c7983-0728-46ea-8550-77e698adf690'
'TXXX:MusicBrainz Album Id'                         '0c5730c7-9cf8-4c51-a7fb-a2f1bf4a7b1a'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '107c7983-0728-46ea-8550-77e698adf690'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['punk cabaret', 'indie', 'cabaret', 'dark cabaret', 'dresden dolls']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.76 dB'
'TXXX:replaygain_track_peak'                        '0.590700'
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========================== row from database ==========================
                                              'id'  1375541
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Dresden Dolls & Amanda Palmer/[2003] The Dresden Dolls/05 - 672.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  84
                                           'genre'  ifs-songwriter;ifs-songwriter-eos
                                        'filesize'  2723509
                                           'mtime'  1636401362
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos & Amanda Palmer [2003] 05 ifs songwriter;ifs songwriter eos
                                      'tag_artist'  The Dresden Dolls
                                     'tag_release'  The Dresden Dolls
                                       'tag_title'  672
                                             'bpm'  138.607
                                    'search_title'  '672':1
                                   'search_artist'  'dolls':3 'dresden':2 'the':1
                                  'search_release'  'dolls':3 'dresden':2 'the':1
                                     'search_rest'  '00singer':1 '00songwriter':4 '2003':7,8 'amanda':5 'eos':3 'ifs':9,11,13 'palmer':6 'songwriter':2,10,12
                                    'search_combo'  '00singer':8 '00songwriter':11 '2003':14,15 '672':1A 'amanda':12 'dolls':4B,7C 'dresden':3B,6C 'eos':10 'ifs':16,18,20 'palmer':13 'songwriter':9,17,19 'the':2B,5C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['punk cabaret', 'indie', 'cabaret', 'dark cabaret', 'dresden dolls']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636401362.0201254  (2021-11-08 20:56:02)
                             'size'  2723509