======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '308'
                                          'artist'  'Zero 7'
                                     'text_people'  ''
                                         'release'  'Chilled Ibiza 2000'
                                           'title'  'This World'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'electronic', 'trip hop', 'downtempo', 'chillout']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '32'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '132.878'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:i\x13\x00\x00'                   PRIV(owner='AverageLevel', data=b'i\x13\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')
'TALB' (Album/Movie/Show title)                     'Chilled Ibiza 2000'
'TBPM' (BPM (beats per minute))                     '132.878'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TIT2' (Title/songname/content description)         'This World'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Zero 7'
'TRCK' (Track number/Position in set)               '32'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'trip hop', 'downtempo', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.72 dB'
'TXXX:replaygain_track_peak'                        '0.707881'

========================== row from database ==========================
                                              'id'  1359265
                                            'path'  /data/Music/Bulk/00poprockelectronic/Zero 7/Simple Things/This World.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  308
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  4932396
                                           'mtime'  1636911471
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Simple Things electronic trip hop downtempo acid jazz
                                      'tag_artist'  Zero 7
                                     'tag_release'  Chilled Ibiza 2000
                                       'tag_title'  This World
                                             'bpm'  132.878
                                    'search_title'  'this':1 'world':2
                                   'search_artist'  '7':2 'zero':1
                                  'search_release'  '2000':3 'chilled':1 'ibiza':2
                                     'search_rest'  '00poprockelectronic':1 'acid':8 'downtempo':7 'electronic':4 'hop':6 'jazz':9 'simple':2 'things':3 'trip':5
                                    'search_combo'  '00poprockelectronic':8 '2000':7C '7':4B 'acid':15 'chilled':5C 'downtempo':14 'electronic':11 'hop':13 'ibiza':6C 'jazz':16 'simple':9 'things':10 'this':1A 'trip':12 'world':2A 'zero':3B
                                    'tag_tracknum'  32
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'trip hop', 'downtempo', 'chillout']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636911470.5124998  (2021-11-14 18:37:50)
                             'size'  4932396