======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '340'
                                          'artist'  'Huggz Selektor'
                                     'text_people'  ''
                                         'release'  'radio jazz 13'
                                           'title'  'Like a thief in the night'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
 "'Q-OLDST-2', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-1', 'Q-PLAY-2', 'q-bass-4', "
 "'Q-CHART-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '11'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '91.6'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'A\x00+\x009\x006\x00+\x005\x00A\x008\x004\x00+\x00B\x00E\x006\x006\x00+\x001\x002\x009\x003\x000\x00+\x001\x008\x00A\x004\x007\x00+\x002\x000\x00D\x009\x00B\x00+\x002\x009\x00F\x006\x003\x00+\x002\x00F\x00F\x003\x005\x00+\x003\x005\x005\x009\x00D\x00+\x003\x00B\x00B\x00A\x002\x00+\x004\x000\x00A\x008\x008\x00\x00\x00')
'PRIV:AverageLevel:{\x10\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x10\x00\x00')
'PRIV:PeakValue:¡s\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa1s\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 \x00 \x006\x009\x004\x009\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x002\x005\x007\x003\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x008\x009\x009\x008\x002\x009\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x006\x009\x004\x009\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x002\x005\x007\x003\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x008\x009\x009\x008\x002\x009\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:*äVÏ\x8fü;G\x8a\x83×Ñ%ºxý'  PRIV(owner='WM/WMCollectionGroupID', data=b'*\xe4V\xcf\x8f\xfc;G\x8a\x83\xd7\xd1%\xbax\xfd')
'PRIV:WM/WMCollectionID:*äVÏ\x8fü;G\x8a\x83×Ñ%ºxý'  PRIV(owner='WM/WMCollectionID', data=b'*\xe4V\xcf\x8f\xfc;G\x8a\x83\xd7\xd1%\xbax\xfd')
'PRIV:WM/WMContentID:·I\x97\x8b!I,M²ò\x8d\x8fåB\x1fA'  PRIV(owner='WM/WMContentID', data=b'\xb7I\x97\x8b!I,M\xb2\xf2\x8d\x8f\xe5B\x1fA')
'TALB' (Album/Movie/Show title)                     'radio jazz 13'
'TBPM' (BPM (beats per minute))                     '91.6'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Like a thief in the night'
'TKEY' (Initial key)                                '5A'
'TLEN' (Length)                                     '340933'
'TPE1' (Lead performer(s)/Soloist(s))               'Huggz Selektor'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '8/11'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.70 dB'
'TXXX:replaygain_track_peak'                        '0.907834'

========================== row from database ==========================
                                              'id'  1482187
                                            'path'  /data/Music/Bulk/00poprockelectronic/radio jazz 13/Mike Longo - like a thief in the night.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  340
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  13667869
                                           'mtime'  1620541490
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Mike Longo like prerock jb unsorted
                                      'tag_artist'  Huggz Selektor
                                     'tag_release'  radio jazz 13
                                       'tag_title'  Like a thief in the night
                                             'bpm'  91.6
                                    'search_title'  'a':2 'in':4 'like':1 'night':6 'the':5 'thief':3
                                   'search_artist'  'huggz':1 'selektor':2
                                  'search_release'  'jazz':2 'radio':1
                                     'search_rest'  '00poprockelectronic':1 'jb':6 'like':4 'longo':3 'mike':2 'prerock':5 'unsorted':7
                                    'search_combo'  '00poprockelectronic':11 'a':2A 'huggz':7B 'in':4A 'jazz':10C 'jb':16 'like':1A,14 'longo':13 'mike':12 'night':6A 'prerock':15 'radio':9C 'selektor':8B 'the':5A 'thief':3A 'unsorted':17
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-2', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-CHART-2', 'q-drums-3', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  []
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620541490.4126534  (2021-05-09 08:24:50)
                             'size'  13667869