======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '100'
                                          'artist'  'Luba-Kasai'
                                     'text_people'  ''
                                         'release'  'African Rhythms'
                                           'title'  'Lumpungu'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'Q-PLAY-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-4', 'q-chart-1', 'q-drums-2', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-africa'
                                             'bpm'  '136'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:G\x0c\x00\x00'                   PRIV(owner='AverageLevel', data=b'G\x0c\x00\x00')
'PRIV:PeakValue:\x96G\x00\x00'                      PRIV(owner='PeakValue', data=b'\x96G\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')
'TALB' (Album/Movie/Show title)                     'African Rhythms'
'TBPM' (BPM (beats per minute))                     '136'
'TCON' (Content type, a.k.a. Genre)                 'loc-africa'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Lumpungu'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Luba-Kasai'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '18'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.81.02, LAME dll 3.92, 256 Kbit/s, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '3'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.71 dB'
'TXXX:replaygain_track_peak'                        '0.470322'

========================== row from database ==========================
                                              'id'  928010
                                            'path'  /data/Music/Bulk/00localcharacter/00africa/african rhythms - traditional voices and music from the heart of africa/luba-kasai - african rhythms - 18 - lumpungu.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  100
                                           'genre'  loc-africa
                                        'filesize'  2408262
                                           'mtime'  1620574272
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00africa african rhythms traditional voices and music from the heart of africa luba kasai african rhythms 18 lumpungu loc africa
                                      'tag_artist'  Luba-Kasai
                                     'tag_release'  African Rhythms
                                       'tag_title'  Lumpungu
                                             'bpm'  136.0
                                    'search_title'  'lumpungu':1
                                   'search_artist'  'kasai':2 'luba':1 'lubakasai':3
                                  'search_release'  'african':1 'rhythms':2
                                     'search_rest'  '00africa':1 '18':15 'africa':12 'african':2 'and':6 'from':8 'heart':10 'kasai':14 'loc':17 'luba':13 'lumpungu':16 'music':7 'of':11 'rhythms':3 'the':9 'traditional':4 'voices':5
                                    'search_combo'  '00africa':7 '18':21 'africa':18 'african':5C,8 'and':12 'from':14 'heart':16 'kasai':3B,20 'loc':23 'luba':2B,19 'lubakasai':4B 'lumpungu':1A,22 'music':13 'of':17 'rhythms':6C,9 'the':15 'traditional':10 'voices':11
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-4', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620574272.266405  (2021-05-09 17:31:12)
                             'size'  2408262