======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '151'
                                          'artist'  'Ska-P'
                                     'text_people'  'No Consta'
                                         'release'  'El vals del obrero'
                                           'title'  'Napa es'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', '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-2']")
                                      'lastfmtags'  "['ska punk', 'ska', 'punk', 'spanish']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska-punk'
                                             'bpm'  '133.3'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'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\x00k\x00i\x00M\x00u\x00s\x00i\x00c\x00a\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'A\x00k\x00i\x00M\x00u\x00s\x00i\x00c\x00a\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x83&\x13©\x15âçN\x96¢QB\x89\x05øH'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x83&\x13\xa9\x15\xe2\xe7N\x96\xa2QB\x89\x05\xf8H')
'PRIV:WM/WMCollectionID:\x83&\x13©\x15âçN\x96¢QB\x89\x05øH'  PRIV(owner='WM/WMCollectionID', data=b'\x83&\x13\xa9\x15\xe2\xe7N\x96\xa2QB\x89\x05\xf8H')
"PRIV:WM/WMContentID:ñp\x8a:'ÔûD«?\x14\x1fý\x12åØ"  PRIV(owner='WM/WMContentID', data=b"\xf1p\x8a:'\xd4\xfbD\xab?\x14\x1f\xfd\x12\xe5\xd8")
'TALB' (Album/Movie/Show title)                     'El vals del obrero'
'TBPM' (BPM (beats per minute))                     '133.3'
'TCOM' (Composer)                                   'No Consta'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-ska-punk'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Napa es'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'SKA-P'
'TPE2' (Band/orchestra/accompaniment)               'Ska-P'
'TPUB' (Publisher)                                  'Bmg'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'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'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.15 dB'
'TXXX:replaygain_track_peak'                        '0.476932'

========================== row from database ==========================
                                              'id'  1261338
                                            'path'  /data/Music/Bulk/00localcharacter/Ska-P/1996 - El vals del obrero/02 - Napa es.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  151
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska-punk
                                        'filesize'  2445776
                                           'mtime'  1620523654
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 1996 02 loc style reggae or dub or ska or dancehall ska punk
                                      'tag_artist'  Ska-P
                                     'tag_release'  El vals del obrero
                                       'tag_title'  Napa es
                                             'bpm'  133.3
                                    'search_title'  'es':2 'napa':1
                                   'search_artist'  'p':2 'ska':1 'skap':3
                                  'search_release'  'del':3 'el':1 'obrero':4 'vals':2
                                     'search_rest'  '1996':1 'dancehall':8 'dub':6 'loc':2 'or':5 'punk':9 'reggae':4 'ska':7 'style':3
                                    'search_combo'  '1996':10 'dancehall':17 'del':8C 'dub':15 'el':6C 'es':2A 'loc':11 'napa':1A 'obrero':9C 'or':14 'p':4B 'punk':18 'reggae':13 'ska':3B,16 'skap':5B 'style':12 'vals':7C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', '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'  1996
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620523654.3194456  (2021-05-09 03:27:34)
                             'size'  2445776