======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '209'
                                          'artist'  'Ska-P'
                                     'text_people'  ''
                                         'release'  'Que Corra la Voz'
                                           'title'  'El Olvidado'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ska punk', 'ska', 'punk', 'spanish']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-style-latin'
                                             'bpm'  '143.8'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'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')
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'PRIV:WM/WMCollectionGroupID:ë¾\x8bø\x99\x0e»M\x80¤\x00Ê£\n±Y'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xeb\xbe\x8b\xf8\x99\x0e\xbbM\x80\xa4\x00\xca\xa3\n\xb1Y')
'PRIV:WM/WMCollectionID:ë¾\x8bø\x99\x0e»M\x80¤\x00Ê£\n±Y'  PRIV(owner='WM/WMCollectionID', data=b'\xeb\xbe\x8b\xf8\x99\x0e\xbbM\x80\xa4\x00\xca\xa3\n\xb1Y')
'PRIV:WM/WMContentID:\x14Î\x1f·\x10Ã@O§W»\x06GQ\x1eX'  PRIV(owner='WM/WMContentID', data=b'\x14\xce\x1f\xb7\x10\xc3@O\xa7W\xbb\x06GQ\x1eX')
'TALB' (Album/Movie/Show title)                     'Que Corra la Voz'
'TBPM' (BPM (beats per minute))                     '143.8'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-latin'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'El Olvidado'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ska-P'
'TPE2' (Band/orchestra/accompaniment)               'Ska-P'
'TPUB' (Publisher)                                  'BMG International'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['ska punk', 'ska', 'punk', 'spanish']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.84 dB'
'TXXX:replaygain_track_peak'                        '0.444379'

========================== row from database ==========================
                                              'id'  1278704
                                            'path'  /data/Music/Bulk/00localcharacter/Ska-P/2002 - ¡¡ Que corra la voz !!/11. El Olvidado.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  209
                                           'genre'  loc-style-latin
                                        'filesize'  3353167
                                           'mtime'  1620585174
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 2002 ¡¡ corra voz !! 11. loc style latin
                                      'tag_artist'  Ska-P
                                     'tag_release'  Que Corra la Voz
                                       'tag_title'  El Olvidado
                                             'bpm'  143.8
                                    'search_title'  'el':1 'olvidado':2
                                   'search_artist'  'p':2 'ska':1 'skap':3
                                  'search_release'  'corra':2 'la':3 'que':1 'voz':4
                                     'search_rest'  '11':4,5 '2002':1 'corra':2 'latin':8 'loc':6 'style':7 'voz':3
                                    'search_combo'  '11':13,14 '2002':10 'corra':7C,11 'el':1A 'la':8C 'latin':17 'loc':15 'olvidado':2A 'p':4B 'que':6C 'ska':3B 'skap':5B 'style':16 'voz':9C,12
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ska punk', 'ska', 'punk', 'spanish']
                                        'tag_date'  2004
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620585174.0227869  (2021-05-09 20:32:54)
                             'size'  3353167