======================== unified (from filesystem) ========================
                                         'bitrate'  '136.206'
                                        'duration'  '180'
                                          'artist'  'MagnusTheMagnus'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Area Properties'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-SYN-3', 'Q-BUSY-3', 'Q-GRIT-2', "
 "'Q-PLAY-2', 'q-bass-4', 'Q-CHART-2', 'q-drums-4', 'q-other-3', 'q-piano-1', "
 "'q-vocals-2', 'Q-HHRNBTT-1', 'Q-MIXBEAT-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['apple', 'iphone', 'applead', 'iphonead', 'iphone x']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '104.2'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196)
"PRIV:AverageLevel:{'\x00\x00"                      PRIV(owner='AverageLevel', data=b"{'\x00\x00")
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\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')
'TBPM' (BPM (beats per minute))                     '104.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TIT2' (Title/songname/content description)         'Area Properties'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'MagnusTheMagnus'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf57.71.100'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['apple', 'iphone', 'applead', 'iphonead', 'iphone x']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-9.53 dB'
'TXXX:replaygain_track_peak'                        '1.550293'

========================== row from database ==========================
                                              'id'  1482920
                                            'path'  /data/Music/Bulk/00poprockelectronic/MagnusTheMagnus - Area.mp3
                                         'working'  None
                                         'bitrate'  136
                                    'duration_sec'  180
                                           'genre'  electronic-unsorted
                                        'filesize'  3081326
                                           'mtime'  1620570804
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic electronic unsorted
                                      'tag_artist'  MagnusTheMagnus
                                     'tag_release'  None
                                       'tag_title'  Area Properties
                                             'bpm'  104.2
                                    'search_title'  'area':1 'properties':2
                                   'search_artist'  'magnus':2 'magnusthemagnus':1 'the':3
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'electronic':2 'unsorted':3
                                    'search_combo'  '00poprockelectronic':6 'area':1A 'electronic':7 'magnus':4B 'magnusthemagnus':3B 'properties':2A 'the':5B 'unsorted':8
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-3', 'q-other-3', 'Q-BUSY-3', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  ['apple', 'iphone', 'applead', 'iphonead', 'iphone x']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620570803.9914575  (2021-05-09 16:33:23)
                             'size'  3081326