======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '234'
                                          'artist'  'The Tornadoes'
                                     'text_people'  'Chuck Berry'
                                         'release'  'Beyond The Surf: The Best of Tornadoes'
                                           'title'  'Johnny B. Goode'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['surf', 'instrumental', 'classic rock', 'surf rock', 'rock']"
                                     'discogstags'  "['surf', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf'
                                             'bpm'  '113.136'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'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 \x004\x002\x008\x005\x002\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x001\x004\x001\x009\x009\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x000\x005\x008\x000\x008\x003\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x004\x002\x008\x005\x002\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x001\x004\x001\x009\x009\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x000\x005\x008\x000\x008\x003\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:Ò/Þ%¶#6H\x95Î\x83ÞÏŦ\x11'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xd2/\xde%\xb6#6H\x95\xce\x83\xde\xcf\xc5\xa6\x11')
'PRIV:WM/WMCollectionID:Ò/Þ%¶#6H\x95Î\x83ÞÏŦ\x11'  PRIV(owner='WM/WMCollectionID', data=b'\xd2/\xde%\xb6#6H\x95\xce\x83\xde\xcf\xc5\xa6\x11')
'PRIV:WM/WMContentID:\x842¿ÑTË\x88L¥\x05>øW1\x9a±'  PRIV(owner='WM/WMContentID', data=b'\x842\xbf\xd1T\xcb\x88L\xa5\x05>\xf8W1\x9a\xb1')
'TALB' (Album/Movie/Show title)                     'Beyond The Surf: The Best of Tornadoes'
'TBPM' (BPM (beats per minute))                     '113.136'
'TCOM' (Composer)                                   'Chuck Berry'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-surf'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Johnny B. Goode'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Tornadoes'
'TPE2' (Band/orchestra/accompaniment)               'The Tornadoes'
'TPUB' (Publisher)                                  'Sundazed'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['surf', 'rock']
'TXXX:lastfmtags'                                   ['surf', 'instrumental', 'classic rock', 'surf rock', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.53 dB'
'TXXX:replaygain_track_peak'                        '0.417636'

========================== row from database ==========================
                                              'id'  1420768
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/The Tornadoes - Beyond The Surf The Best Of/14 - Johnny B. Goode.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  234
                                           'genre'  rock-pop-surf
                                        'filesize'  9392235
                                           'mtime'  1620737191
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner Of 14 rock pop surf
                                      'tag_artist'  The Tornadoes
                                     'tag_release'  Beyond The Surf: The Best of Tornadoes
                                       'tag_title'  Johnny B. Goode
                                             'bpm'  113.136
                                    'search_title'  'b':2,3 'goode':4 'johnny':1
                                   'search_artist'  'the':1 'tornadoes':2
                                  'search_release'  'best':5 'beyond':1 'of':6 'surf':3,4 'the':2 'tornadoes':7
                                     'search_rest'  'garage':2 'of':5 'pop':7 'punk':1 'rock':6 'stoner':4 'surf':3
                                    'search_combo'  'b':2A,3A 'best':11C 'beyond':7C 'garage':15 'goode':4A 'johnny':1A 'of':12C,18 'pop':20 'punk':14 'rock':19 'stoner':17 'surf':9C,10C,16 'the':5B,8C 'tornadoes':6B,13C
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['surf', 'instrumental', 'classic rock', 'surf rock', 'rock']
                                        'tag_date'  1999
                                     'discogstags'  ['surf', 'rock']

============================== file details ==============================
                                           'mtime'  1620737190.9550254  (2021-05-11 14:46:30)
                             'size'  9392235