======================== unified (from filesystem) ========================
                                         'bitrate'  '221.133'
                                        'duration'  '364'
                                          'artist'  'The Skatalites'
                                     'text_people'  ''
                                         'release'  'Hi-Bop Ska'
                                           'title'  'Flowers For Albert'
                                           '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-3', 'q-other-3', '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'  '2'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska'
                                             'bpm'  '136.1'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:\x02\x14\x00\x00'                PRIV(owner='AverageLevel', data=b'\x02\x14\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\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')
'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 \x002\x000\x007\x002\x001\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x002\x009\x003\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x004\x003\x002\x005\x000\x007\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x000\x007\x002\x001\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x002\x009\x003\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x004\x003\x002\x005\x000\x007\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:7[viSa×M»ù\x8b{U\x81EÈ'  PRIV(owner='WM/WMCollectionGroupID', data=b'7[viSa\xd7M\xbb\xf9\x8b{U\x81E\xc8')
'PRIV:WM/WMCollectionID:7[viSa×M»ù\x8b{U\x81EÈ'     PRIV(owner='WM/WMCollectionID', data=b'7[viSa\xd7M\xbb\xf9\x8b{U\x81E\xc8')
'PRIV:WM/WMContentID:?(=ý×Ð\x11L\x8c=óÙi\x89ôv'     PRIV(owner='WM/WMContentID', data=b'?(=\xfd\xd7\xd0\x11L\x8c=\xf3\xd9i\x89\xf4v')
'TALB' (Album/Movie/Show title)                     'Hi-Bop Ska'
'TBPM' (BPM (beats per minute))                     '136.1'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-ska'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Flowers For Albert'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Skatalites'
'TPE2' (Band/orchestra/accompaniment)               'The Skatalites'
'TPUB' (Publisher)                                  'Shanachie'
'TRCK' (Track number/Position in set)               '2'
'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'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.36 dB'
'TXXX:replaygain_track_peak'                        '0.642583'

========================== row from database ==========================
                                              'id'  1284272
                                            'path'  /data/Music/Bulk/00poprockelectronic/Skatalites/02 - Skatalites - Flowers For Albert.mp3
                                         'working'  None
                                         'bitrate'  221
                                    'duration_sec'  364
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska
                                        'filesize'  10108205
                                           'mtime'  1620524825
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 02 loc style reggae dub ska dancehall ska
                                      'tag_artist'  The Skatalites
                                     'tag_release'  Hi-Bop Ska
                                       'tag_title'  Flowers For Albert
                                             'bpm'  136.1
                                    'search_title'  'albert':3 'flowers':1 'for':2
                                   'search_artist'  'skatalites':2 'the':1
                                  'search_release'  'bop':2 'hi':1 'hibop':3 'ska':4
                                     'search_rest'  '00poprockelectronic':1 'dancehall':7 'dub':5 'loc':2 'reggae':4 'ska':6 'style':3
                                    'search_combo'  '00poprockelectronic':10 'albert':3A 'bop':7C 'dancehall':16 'dub':14 'flowers':1A 'for':2A 'hi':6C 'hibop':8C 'loc':11 'reggae':13 'ska':9C,15 'skatalites':5B 'style':12 'the':4B
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  4B
                                           '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-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jamaican', 'reggae', 'dub', 'ska', 'rocksteady']
                                        'tag_date'  1994
                                     'discogstags'  ['reggae']

============================== file details ==============================
                                           'mtime'  1620524825.428542  (2021-05-09 03:47:05)
                             'size'  10108205