======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '255'
                                          'artist'  'The Skatalites'
                                     'text_people'  ''
                                         'release'  'The Legendary Skatalites In Dub'
                                           'title'  'Kimble Dub'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-2', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['jamaican', 'reggae', 'dub', 'ska', 'rocksteady']"
                                     'discogstags'  "['reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska'
                                             'bpm'  '87.8'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:\x0f\x15\x00\x00'                PRIV(owner='AverageLevel', data=b'\x0f\x15\x00\x00')
'PRIV:PeakValue:l\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'l\x7f\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)                     'The Legendary Skatalites In Dub'
'TBPM' (BPM (beats per minute))                     '87.8'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-ska'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Kimble Dub'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Skatalites'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'reggae'
'TXXX:lastfmtags'                                   ['jamaican', 'reggae', 'dub', 'ska', 'rocksteady']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.03 dB'
'TXXX:replaygain_track_peak'                        '0.703928'

========================== row from database ==========================
                                              'id'  1352571
                                            'path'  /data/Music/Bulk/00poprockelectronic/Skatalites/Skatalites & King Tubby, The - The legendary Skatalites in dub/05 - The Skatalites - Kimble Dub.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  255
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska
                                        'filesize'  6140927
                                           'mtime'  1620524860
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic & King Tubby, legendary in dub 05 loc style reggae or dub or ska or dancehall ska
                                      'tag_artist'  The Skatalites
                                     'tag_release'  The Legendary Skatalites In Dub
                                       'tag_title'  Kimble Dub
                                             'bpm'  87.8
                                    'search_title'  'dub':2 'kimble':1
                                   'search_artist'  'skatalites':2 'the':1
                                  'search_release'  'dub':5 'in':4 'legendary':2 'skatalites':3 'the':1
                                     'search_rest'  '00poprockelectronic':1 'dancehall':13 'dub':7 'in':6 'king':2 'legendary':5 'loc':8 'or':11 'reggae':10 'ska':12 'style':9 'tubby':3,4
                                    'search_combo'  '00poprockelectronic':10 'dancehall':22 'dub':2A,9C,16 'in':8C,15 'kimble':1A 'king':11 'legendary':6C,14 'loc':17 'or':20 'reggae':19 'ska':21 'skatalites':4B,7C 'style':18 'the':3B,5C 'tubby':12,13
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jamaican', 'reggae', 'dub', 'ska', 'rocksteady']
                                        'tag_date'  2001
                                     'discogstags'  ['reggae']

============================== file details ==============================
                                           'mtime'  1620524859.9864986  (2021-05-09 03:47:39)
                             'size'  6140927