======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '142'
                                          'artist'  'DeJohn Sisters'
                                     'text_people'  ''
                                         'release'  'The Complete DeJohn Sisters'
                                           'title'  "C'Est La Vie"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '244'
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '137.013'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'1\x00C\x00+\x009\x006\x00+\x002\x008\x00D\x00C\x00+\x005\x00C\x002\x001\x00+\x008\x00A\x00B\x001\x00+\x00B\x009\x009\x003\x00+\x00F\x002\x003\x005\x00+\x001\x002\x001\x00A\x003\x00+\x001\x005\x005\x00D\x008\x00+\x001\x008\x001\x005\x005\x00+\x001\x00A\x00A\x00F\x004\x00+\x001\x00D\x00A\x009\x00E\x00+\x002\x000\x003\x006\x00E\x00+\x002\x002\x007\x003\x003\x00+\x002\x004\x00C\x00E\x003\x00+\x002\x007\x000\x002\x00E\x00+\x002\x009\x00D\x00C\x009\x00+\x002\x00C\x00C\x009\x000\x00+\x002\x00F\x00A\x00F\x00A\x00+\x003\x001\x009\x000\x00C\x00+\x003\x004\x002\x00F\x001\x00+\x003\x007\x009\x000\x006\x00+\x003\x00A\x009\x005\x00F\x00+\x003\x00D\x003\x002\x00B\x00+\x004\x000\x002\x009\x005\x00+\x004\x003\x000\x00B\x004\x00+\x004\x005\x00F\x00A\x008\x00+\x004\x008\x00E\x000\x004\x00+\x004\x00C\x000\x00A\x009\x00+\x004\x00E\x002\x000\x00C\x00\x00\x00')
'PRIV:AverageLevel:\x02\x12\x00\x00'                PRIV(owner='AverageLevel', data=b'\x02\x12\x00\x00')
'PRIV:PeakValue:k_\x00\x00'                         PRIV(owner='PeakValue', data=b'k_\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 \x005\x001\x004\x001\x007\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x001\x008\x005\x008\x009\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x004\x003\x007\x001\x005\x008\x003\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x005\x001\x004\x001\x007\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x001\x008\x005\x008\x009\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x004\x003\x007\x001\x005\x008\x003\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:v¼gëfÈxM§Ú©ª âµ='      PRIV(owner='WM/WMCollectionGroupID', data=b'v\xbcg\xebf\xc8xM\xa7\xda\xa9\xaa \xe2\xb5=')
'PRIV:WM/WMCollectionID:v¼gëfÈxM§Ú©ª âµ='           PRIV(owner='WM/WMCollectionID', data=b'v\xbcg\xebf\xc8xM\xa7\xda\xa9\xaa \xe2\xb5=')
'PRIV:WM/WMContentID:ûk\x07\x95üDoE\x9dR»û\x80\x1d\x10Ú'  PRIV(owner='WM/WMContentID', data=b'\xfbk\x07\x95\xfcDoE\x9dR\xbb\xfb\x80\x1d\x10\xda')
'TALB' (Album/Movie/Show title)                     'The Complete DeJohn Sisters'
'TBPM' (BPM (beats per minute))                     '137.013'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         "C'Est La Vie"
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '143000'
'TPE1' (Lead performer(s)/Soloist(s))               'DeJohn Sisters'
'TPUB' (Publisher)                                  'Collectables'
'TRCK' (Track number/Position in set)               '244'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.00 dB'
'TXXX:replaygain_track_peak'                        '0.367529'

========================== row from database ==========================
                                              'id'  1514372
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1955/1955-244 - DeJohn Sisters - C_Est La Vie.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  142
                                           'genre'  prerock-unsorted
                                        'filesize'  5719464
                                           'mtime'  1621698219
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1955 1955 244 C_Est prerock unsorted
                                      'tag_artist'  DeJohn Sisters
                                     'tag_release'  The Complete DeJohn Sisters
                                       'tag_title'  C'Est La Vie
                                             'bpm'  137.013
                                    'search_title'  'c':1 'cest':3 'est':2 'la':4 'vie':5
                                   'search_artist'  'de':3 'dejohn':1 'john':4 'sisters':2
                                  'search_release'  'complete':2 'de':5 'dejohn':3 'john':6 'sisters':4 'the':1
                                     'search_rest'  '00oldiepop':5 '1955':6 '244':7 'c':8 'country':4 'est':9 'exotica':2 'jazz':1 'oldies':3 'prerock':10 'unsorted':11
                                    'search_combo'  '00oldiepop':20 '1955':21 '244':22 'c':1A,23 'cest':3A 'complete':11C 'country':19 'de':8B,14C 'dejohn':6B,12C 'est':2A,24 'exotica':17 'jazz':16 'john':9B,15C 'la':4A 'oldies':18 'prerock':25 'sisters':7B,13C 'the':10C 'unsorted':26 'vie':5A
                                    'tag_tracknum'  244
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698219.0797887  (2021-05-22 17:43:39)
                             'size'  5719464