======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '251'
                                          'artist'  'Ska-P'
                                     'text_people'  ''
                                         'release'  'Que Corra la Voz'
                                           'title'  'Welcome to Hell'
                                           '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-2', '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'  '3'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-style-latin'
                                             'bpm'  '129.6'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196)
'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')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x009\x000\x000\x008\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x001\x000\x001\x004\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x007\x005\x006\x005\x006\x006\x007\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x009\x000\x000\x008\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x001\x000\x001\x004\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x007\x005\x006\x005\x006\x006\x007\x00\x00\x00')
'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:\x00Ò°áܨ\x17B\x9cQný]y\x8d='  PRIV(owner='WM/WMContentID', data=b'\x00\xd2\xb0\xe1\xdc\xa8\x17B\x9cQn\xfd]y\x8d=')
'TALB' (Album/Movie/Show title)                     'Que Corra la Voz'
'TBPM' (BPM (beats per minute))                     '129.6'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-latin'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Welcome to Hell'
'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)               '3'
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.25 dB'
'TXXX:replaygain_track_peak'                        '0.450551'

========================== row from database ==========================
                                              'id'  1276281
                                            'path'  /data/Music/Bulk/00localcharacter/Ska-P/2002 - ¡¡ Que corra la voz !!/03. Welcome To Hell.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  251
                                           'genre'  loc-style-latin
                                        'filesize'  4036112
                                           'mtime'  1620585156
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 2002 ¡¡ corra voz !! 03. To loc style latin
                                      'tag_artist'  Ska-P
                                     'tag_release'  Que Corra la Voz
                                       'tag_title'  Welcome to Hell
                                             'bpm'  129.6
                                    'search_title'  'hell':3 'to':2 'welcome':1
                                   'search_artist'  'p':2 'ska':1 'skap':3
                                  'search_release'  'corra':2 'la':3 'que':1 'voz':4
                                     'search_rest'  '03':4,5 '2002':1 'corra':2 'latin':9 'loc':7 'style':8 'to':6 'voz':3
                                    'search_combo'  '03':14,15 '2002':11 'corra':8C,12 'hell':3A 'la':9C 'latin':19 'loc':17 'p':5B 'que':7C 'ska':4B 'skap':6B 'style':18 'to':2A,16 'voz':10C,13 'welcome':1A
                                    'tag_tracknum'  3
                                      '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-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ska punk', 'ska', 'punk', 'spanish']
                                        'tag_date'  2004
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620585155.9400034  (2021-05-09 20:32:35)
                             'size'  4036112