======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '264'
                                          'artist'  'Babylon Circus'
                                     'text_people'  ''
                                         'release'  'Dances of resistance'
                                           'title'  'De la musique et du bruit'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-OLDST-2', 'Q-HHRNBTT-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'ska', 'world music', 'french', 'francais']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska'
                                             'bpm'  '108.0'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:!"\x00\x00'                      PRIV(owner='AverageLevel', data=b'!"\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\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:M\x00i\x00c\x00r\x00o\x00s\x00o\x00f\x00t\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'M\x00i\x00c\x00r\x00o\x00s\x00o\x00f\x00t\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\rS0X¥£\x91K½)Mþ©r\x1fW'  PRIV(owner='WM/WMCollectionGroupID', data=b'\rS0X\xa5\xa3\x91K\xbd)M\xfe\xa9r\x1fW')
'PRIV:WM/WMCollectionID:\rS0X¥£\x91K½)Mþ©r\x1fW'    PRIV(owner='WM/WMCollectionID', data=b'\rS0X\xa5\xa3\x91K\xbd)M\xfe\xa9r\x1fW')
'PRIV:WM/WMContentID:\x9d*:à\x84רK\x91Lc\x94\x8az¨u'  PRIV(owner='WM/WMContentID', data=b'\x9d*:\xe0\x84\xd7\xa8K\x91Lc\x94\x8az\xa8u')
'TALB' (Album/Movie/Show title)                     'Dances of resistance'
'TBPM' (BPM (beats per minute))                     '108.0'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-ska'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'De la musique et du bruit'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Babylon Circus'
'TPE2' (Band/orchestra/accompaniment)               'Babylon Circus'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['reggae', 'ska', 'world music', 'french', 'francais']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.98 dB'
'TXXX:replaygain_track_peak'                        '0.362896'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'dd39d718-95f8-4c06-9561-d8206c95c8e1')

========================== row from database ==========================
                                              'id'  1386222
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/Babylon Circus/Dances of Resistance (2004)/05 - Babylon Circus - De la musique et du bruit.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  264
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska
                                        'filesize'  6361254
                                           'mtime'  1620521045
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub Resistance (2004) 05 loc style reggae or dub or ska or dancehall ska
                                      'tag_artist'  Babylon Circus
                                     'tag_release'  Dances of resistance
                                       'tag_title'  De la musique et du bruit
                                             'bpm'  108.0
                                    'search_title'  'bruit':6 'de':1 'du':5 'et':4 'la':2 'musique':3
                                   'search_artist'  'babylon':1 'circus':2
                                  'search_release'  'dances':1 'of':2 'resistance':3
                                     'search_rest'  '00reggae':1 '2004':4,5 'dancehall':11 'dub':2 'loc':6 'or':9 'reggae':8 'resistance':3 'ska':10 'style':7
                                    'search_combo'  '00reggae':12 '2004':15,16 'babylon':7B 'bruit':6A 'circus':8B 'dancehall':22 'dances':9C 'de':1A 'du':5A 'dub':13 'et':4A 'la':2A 'loc':17 'musique':3A 'of':10C 'or':20 'reggae':19 'resistance':11C,14 'ska':21 'style':18
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'ska', 'world music', 'french', 'francais']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620521044.6091354  (2021-05-09 02:44:04)
                             'size'  6361254