======================== unified (from filesystem) ========================
                                         'bitrate'  '204.467'
                                        'duration'  '175'
                                          'artist'  'Al-Shid'
                                     'text_people'  ''
                                         'release'  'Gotan Project - Inspiracisn Espiracisn'
                                           'title'  'M.A.T.H.'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['nu tango', 'jazz', 'cool tango', 'tango fusion', 'tango']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '145.267'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000608 00000000 00002AB1'
'COMM:iTunNORM:eng'                                 (' 00000608 00000000 00002AB1 00000000 0001D062 00000000 00007759 00000000 '
 '00026FA5 00000000')
'PRIV:AverageLevel:\x8c\x17\x00\x00'                PRIV(owner='AverageLevel', data=b'\x8c\x17\x00\x00')
'PRIV:PeakValue:\x0e\x7f\x00\x00'                   PRIV(owner='PeakValue', data=b'\x0e\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\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')
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'PRIV:WM/WMCollectionGroupID:\x9dãÚdï¶üH¹\x8e]\x8d\x9e\x06T^'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x9d\xe3\xdad\xef\xb6\xfcH\xb9\x8e]\x8d\x9e\x06T^')
'PRIV:WM/WMCollectionID:\x9dãÚdï¶üH¹\x8e]\x8d\x9e\x06T^'  PRIV(owner='WM/WMCollectionID', data=b'\x9d\xe3\xdad\xef\xb6\xfcH\xb9\x8e]\x8d\x9e\x06T^')
'PRIV:WM/WMContentID:\x1d¡`ç\x1cÒûN\x8c\x96éíD×¹\x13'  PRIV(owner='WM/WMContentID', data=b'\x1d\xa1`\xe7\x1c\xd2\xfbN\x8c\x96\xe9\xedD\xd7\xb9\x13')
'TALB' (Album/Movie/Show title)                     'Gotan Project - Inspiracisn Espiracisn'
'TBPM' (BPM (beats per minute))                     '145.267'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'M.A.T.H.'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Al-Shid'
'TPUB' (Publisher)                                  '¡Ya Basta!'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['nu tango', 'jazz', 'cool tango', 'tango fusion', 'tango']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.02 dB'
'TXXX:replaygain_track_peak'                        '0.496319'

========================== row from database ==========================
                                              'id'  762553
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Al-Shid - M.A.T.H..mp3
                                         'working'  None
                                         'bitrate'  204
                                    'duration_sec'  175
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  4583250
                                           'mtime'  1620586776
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism hip hop or rnb or rap or turntablism
                                      'tag_artist'  Al-Shid
                                     'tag_release'  Gotan Project - Inspiracisn Espiracisn
                                       'tag_title'  M.A.T.H.
                                             'bpm'  145.267
                                    'search_title'  'a':2 'h':4 'm':1 'math':5 't':3
                                   'search_artist'  'al':1 'alshid':3 'shid':2
                                  'search_release'  'espiracisn':4 'gotan':1 'inspiracisn':3 'project':2
                                     'search_rest'  'hip':5 'hiphop':1 'hop':6 'or':7 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  'a':2A 'al':6B 'alshid':8B 'espiracisn':12C 'gotan':9C 'h':4A 'hip':17 'hiphop':13 'hop':18 'inspiracisn':11C 'm':1A 'math':5A 'or':19 'project':10C 'rap':14 'rnb':15 'shid':7B 't':3A 'turntablism':16
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['nu tango', 'jazz', 'cool tango', 'tango fusion', 'tango']
                                        'tag_date'  2004
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620586776.462302  (2021-05-09 20:59:36)
                             'size'  4583250