======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '106'
                                          'artist'  'John Williams'
                                     'text_people'  ''
                                         'release'  'El Diablo Suelto'
                                           'title'  'Angostura (Valse)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-4', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'instrumental', 'composers', 'classical', 'star wars']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments-contemporary;mi-guitar-acoustic'
                                             'bpm'  '131.4'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:AverageLevel:\x8b\x0b\x00\x00'                PRIV(owner='AverageLevel', data=b'\x8b\x0b\x00\x00')
'PRIV:PeakValue:I[\x00\x00'                         PRIV(owner='PeakValue', data=b'I[\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:Z\x00A\x00C\x00R\x00 \x00D\x00B\x00S\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'Z\x00A\x00C\x00R\x00 \x00D\x00B\x00S\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:"\x99óÄÿicL\x8chl\x02wð9\x80'  PRIV(owner='WM/WMCollectionGroupID', data=b'"\x99\xf3\xc4\xfficL\x8chl\x02w\xf09\x80')
'PRIV:WM/WMCollectionID:"\x99óÄÿicL\x8chl\x02wð9\x80'  PRIV(owner='WM/WMCollectionID', data=b'"\x99\xf3\xc4\xfficL\x8chl\x02w\xf09\x80')
'PRIV:WM/WMContentID:\x17Ð\x8b¢:\x89@Lµ[é\x1bPg*o'  PRIV(owner='WM/WMContentID', data=b'\x17\xd0\x8b\xa2:\x89@L\xb5[\xe9\x1bPg*o')
'TALB' (Album/Movie/Show title)                     'El Diablo Suelto'
'TBPM' (BPM (beats per minute))                     '131.4'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-classical or classical instruments-contemporary',
 'mi-guitar-acoustic']
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Angostura (Valse)'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '107093'
'TPE1' (Lead performer(s)/Soloist(s))               'John Williams'
'TPE2' (Band/orchestra/accompaniment)               'John Williams'
'TPUB' (Publisher)                                  'Sony Classical'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'instrumental', 'composers', 'classical', 'star wars']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.44 dB'
'TXXX:replaygain_track_peak'                        '0.707026'

========================== row from database ==========================
                                              'id'  1213876
                                            'path'  /data/Music/Bulk/00instruments-classical/John Williams/John Williams - El Diablo Suelto (2003)/15 Angostura (Valse).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  106
                                           'genre'  prerock-classical or classical instruments-contemporary;mi-guitar-acoustic
                                        'filesize'  2569956
                                           'mtime'  1621626224
                                   'redo_metaread'  0
                                        'rest_str'   00instruments classical (2003) 15 prerock classical or classical instruments contemporary;mi guitar acoustic
                                      'tag_artist'  John Williams
                                     'tag_release'  El Diablo Suelto
                                       'tag_title'  Angostura (Valse)
                                             'bpm'  131.4
                                    'search_title'  'angostura':1 'valse':2,3
                                   'search_artist'  'john':1 'williams':2
                                  'search_release'  'diablo':2 'el':1 'suelto':3
                                     'search_rest'  '00instruments':1 '2003':3,4 'acoustic':13 'classical':2 'contemporary':8,10 'guitar':12 'instruments':7 'mi':9,11 'or':6 'prerock':5
                                    'search_combo'  '00instruments':9 '2003':11,12 'acoustic':21 'angostura':1A 'classical':10 'contemporary':16,18 'diablo':7C 'el':6C 'guitar':20 'instruments':15 'john':4B 'mi':17,19 'or':14 'prerock':13 'suelto':8C 'valse':2A,3A 'williams':5B
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['soundtrack', 'instrumental', 'composers', 'classical', 'star wars']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621626223.9462547  (2021-05-21 21:43:43)
                             'size'  2569956