======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '227'
                                          'artist'  'Michael Jackson'
                                     'text_people'  'Carole Bayer Sager/David Foster'
                                         'release'  'Off the Wall'
                                           'title'  "It's the Falling in Love"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'dance', 'rock', 'pop']"
                                     'discogstags'  "['rhythm & blues', 'disco', 'soul', 'funk', 'funk / soul', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '105.974'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'COMM:iTunNORM:eng'                                 (' 00000907 00000798 00002E6E 00002589 00030D85 00030D85 00008000 00008000 '
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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')
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'PRIV:WM/WMCollectionID:ëÅ\x84]\x13-kF\x85\x00©n¡z\x9bÚ'  PRIV(owner='WM/WMCollectionID', data=b'\xeb\xc5\x84]\x13-kF\x85\x00\xa9n\xa1z\x9b\xda')
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'TALB' (Album/Movie/Show title)                     'Off the Wall'
'TBPM' (BPM (beats per minute))                     '105.974'
'TCOM' (Composer)                                   'Carole Bayer Sager/David Foster'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         "It's the Falling in Love"
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '228106'
'TPE1' (Lead performer(s)/Soloist(s))               'Michael Jackson'
'TPE2' (Band/orchestra/accompaniment)               'Michael Jackson'
'TPUB' (Publisher)                                  'Sony'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rhythm & blues', 'disco', 'soul', 'funk', 'funk / soul', 'pop']
'TXXX:lastfmtags'                                   ['80s', 'dance', 'rock', 'pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.18 dB'
'TXXX:replaygain_track_peak'                        '0.381672'

========================== row from database ==========================
                                              'id'  1500921
                                            'path'  /data/Music/Bulk/00poprockelectronic/Michael Jackson/Off the Wall/09 It_s the Falling in Love.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  227
                                           'genre'  rock-unsorted
                                        'filesize'  9119316
                                           'mtime'  1621696432
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 09 It_s rock unsorted
                                      'tag_artist'  Michael Jackson
                                     'tag_release'  Off the Wall
                                       'tag_title'  It's the Falling in Love
                                             'bpm'  105.974
                                    'search_title'  'falling':5 'in':6 'it':1 'its':3 'love':7 's':2 'the':4
                                   'search_artist'  'jackson':2 'michael':1
                                  'search_release'  'off':1 'the':2 'wall':3
                                     'search_rest'  '00poprockelectronic':1 'it':2 'rock':4 's':3 'unsorted':5
                                    'search_combo'  '00poprockelectronic':13 'falling':5A 'in':6A 'it':1A,14 'its':3A 'jackson':9B 'love':7A 'michael':8B 'off':10C 'rock':16 's':2A,15 'the':4A,11C 'unsorted':17 'wall':12C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'dance', 'rock', 'pop']
                                        'tag_date'  2001
                                     'discogstags'  ['rhythm & blues', 'disco', 'soul', 'funk', 'funk / soul', 'pop']

============================== file details ==============================
                                           'mtime'  1621696432.4384472  (2021-05-22 17:13:52)
                             'size'  9119316