======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '175'
                                          'artist'  'Jamul'
                                     'text_people'  ''
                                         'release'  'Jamul'
                                           'title'  'Long Tall Sally'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-2', 'q-bass-3', 'Q-CHART-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['blues rock', 'blues', 'hard rock', '9 of 10 stars', '70s']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '130.0'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

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'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 \x001\x007\x003\x003\x005\x002\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x003\x009\x006\x001\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x00 \x004\x007\x006\x003\x000\x001\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x001\x007\x003\x003\x005\x002\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x003\x009\x006\x001\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x00 \x004\x007\x006\x003\x000\x001\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:ë^\x7f\x11ÿ¥v@¸GGýå]Øi'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xeb^\x7f\x11\xff\xa5v@\xb8GG\xfd\xe5]\xd8i')
'PRIV:WM/WMCollectionID:ë^\x7f\x11ÿ¥v@¸GGýå]Øi'     PRIV(owner='WM/WMCollectionID', data=b'\xeb^\x7f\x11\xff\xa5v@\xb8GG\xfd\xe5]\xd8i')
'PRIV:WM/WMContentID:\x1cð\x0e\x9e¡\x9aÈG\x89Òø¤\x96Î*\x19'  PRIV(owner='WM/WMContentID', data=b'\x1c\xf0\x0e\x9e\xa1\x9a\xc8G\x89\xd2\xf8\xa4\x96\xce*\x19')
'TALB' (Album/Movie/Show title)                     'Jamul'
'TBPM' (BPM (beats per minute))                     '130.0'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Long Tall Sally'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Jamul'
'TPE2' (Band/orchestra/accompaniment)               'Jamul'
'TPUB' (Publisher)                                  'Vivid'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['blues rock', 'blues', 'hard rock', '9 of 10 stars', '70s']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-10.23 dB'
'TXXX:replaygain_track_peak'                        '1.040747'

========================== row from database ==========================
                                              'id'  1478053
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Jamul - id. (US 1970 heavypsych. blues.)/02 Long Tall Sally.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  175
                                           'genre'  rock-cppex
                                        'filesize'  7023387
                                           'mtime'  1620736141
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy id. (US 1970 heavypsych. blues.) 02 rock cppex
                                      'tag_artist'  Jamul
                                     'tag_release'  Jamul
                                       'tag_title'  Long Tall Sally
                                             'bpm'  130.0
                                    'search_title'  'long':1 'sally':3 'tall':2
                                   'search_artist'  'jamul':1
                                  'search_release'  'jamul':1
                                     'search_rest'  '1970':6 'blues':9,10 'classicprogpsy':1 'cppex':12 'heavypsych':7,8 'id':2,3 'rock':11 'us':4,5
                                    'search_combo'  '1970':11 'blues':14,15 'classicprogpsy':6 'cppex':17 'heavypsych':12,13 'id':7,8 'jamul':4B,5C 'long':1A 'rock':16 'sally':3A 'tall':2A 'us':9,10
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-3', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-PLAY-2', 'q-bass-3']
                                      'lastfmtags'  ['blues rock', 'blues', 'hard rock', '9 of 10 stars', '70s']
                                        'tag_date'  1970
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736141.1020727  (2021-05-11 14:29:01)
                             'size'  7023387