======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '261'
                                          'artist'  'Handsome 3some'
                                     'text_people'  ''
                                         'release'  'Listen To'
                                           'title'  'Moment Like This'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['less than 30000', 'virally yours', 'alternative', 'ned', 'dutch']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '14'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '87.370'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:PeakValue:!P\x00\x00'                         PRIV(owner='PeakValue', data=b'!P\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/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Listen To'
'TBPM' (BPM (beats per minute))                     '87.370'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TIT2' (Title/songname/content description)         'Moment Like This'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '262173'
'TPE1' (Lead performer(s)/Soloist(s))               'Handsome 3some'
'TPE2' (Band/orchestra/accompaniment)               'Handsome 3some'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '10/14'
'TSO2'                                              'Handsome 3some'
'TSOP' (Performer sort order)                       'Handsome 3some'
'TXXX:MusicBrainz Album Artist Id'                  'b51539f1-bd64-495a-b1a6-8fc35fcc3505'
'TXXX:MusicBrainz Album Id'                         '27fc544c-1323-45e3-9279-b4def8a1fcf6'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'b51539f1-bd64-495a-b1a6-8fc35fcc3505'
'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:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['less than 30000', 'virally yours', 'alternative', 'ned', 'dutch']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.61 dB'
'TXXX:replaygain_track_peak'                        '0.526013'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a4c63d57-d7f2-4a86-b052-94ce1a88eca8')

========================== row from database ==========================
                                              'id'  1373915
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Handsome 3some/Listen.to/10 Moment like this.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  261
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  10481936
                                           'mtime'  1621697277
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock Listen.to 10 like this ifs songwriter indie rock
                                      'tag_artist'  Handsome 3some
                                     'tag_release'  Listen To
                                       'tag_title'  Moment Like This
                                             'bpm'  87.37
                                    'search_title'  'like':2 'moment':1 'this':3
                                   'search_artist'  '3some':2 'handsome':1
                                  'search_release'  'listen':1 'to':2
                                     'search_rest'  '00poprockelectronic':1 'ifs':9 'indie':11 'indierock':3 'like':7 'listen':4 'listento':6 'poprock':2 'rock':12 'songwriter':10 'this':8 'to':5
                                    'search_combo'  '00poprockelectronic':8 '3some':5B 'handsome':4B 'ifs':16 'indie':18 'indierock':10 'like':2A,14 'listen':6C,11 'listento':13 'moment':1A 'poprock':9 'rock':19 'songwriter':17 'this':3A,15 'to':7C,12
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['less than 30000', 'virally yours', 'alternative', 'ned', 'dutch']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697277.3016565  (2021-05-22 17:27:57)
                             'size'  10481936