======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '218'
                                          'artist'  'Jamul'
                                     'text_people'  ''
                                         'release'  'Jamul'
                                           'title'  "I Can't Complain"
                                           '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-4', 'Q-CHART-2', "
 "'q-drums-3', 'q-other-2', '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'  '9'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '93.4'
                                             'key'  '9A'
                                        '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\x008\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\x008\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:\x97J¬k\x1fz0E\x93ûá=¯mä\x1a'  PRIV(owner='WM/WMContentID', data=b'\x97J\xack\x1fz0E\x93\xfb\xe1=\xafm\xe4\x1a')
'TALB' (Album/Movie/Show title)                     'Jamul'
'TBPM' (BPM (beats per minute))                     '93.4'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         "I Can't Complain"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jamul'
'TPE2' (Band/orchestra/accompaniment)               'Jamul'
'TPUB' (Publisher)                                  'Vivid'
'TRCK' (Track number/Position in set)               '9'
'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'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-9.41 dB'
'TXXX:replaygain_track_peak'                        '1.034599'

========================== row from database ==========================
                                              'id'  1505727
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Jamul - id. (US 1970 heavypsych. blues.)/09 I Can_t Complain.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  218
                                           'genre'  rock-cppex
                                        'filesize'  8762098
                                           'mtime'  1620736142
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy id. (US 1970 heavypsych. blues.) 09 Can_t rock cppex
                                      'tag_artist'  Jamul
                                     'tag_release'  Jamul
                                       'tag_title'  I Can't Complain
                                             'bpm'  93.4
                                    'search_title'  'can':2 'cant':4 'complain':5 'i':1 't':3
                                   'search_artist'  'jamul':1
                                  'search_release'  'jamul':1
                                     'search_rest'  '1970':6 'blues':9,10 'can':11 'classicprogpsy':1 'cppex':14 'heavypsych':7,8 'id':2,3 'rock':13 't':12 'us':4,5
                                    'search_combo'  '1970':13 'blues':16,17 'can':2A,18 'cant':4A 'classicprogpsy':8 'complain':5A 'cppex':21 'heavypsych':14,15 'i':1A 'id':9,10 'jamul':6B,7C 'rock':20 't':3A,19 'us':11,12
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  9A
                                           '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-2', 'Q-BUSY-3', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  ['blues rock', 'blues', 'hard rock', '9 of 10 stars', '70s']
                                        'tag_date'  1970
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736141.8666341  (2021-05-11 14:29:01)
                             'size'  8762098