======================== unified (from filesystem) ========================
                                         'bitrate'  '181.309'
                                        'duration'  '323'
                                          'artist'  'Pat Benatar'
                                     'text_people'  ''
                                         'release'  'Hits of the 80s'
                                           'title'  'Love Is a Battlefield'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'classic rock', 'female vocalists', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '18'
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '120.5'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     'Hits of the 80s'
'TBPM' (BPM (beats per minute))                     '120.5'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TDRC' (Recording time)                             '1985'
'TDRL' (Release time)                               '1998-11-16'
'TIT2' (Title/songname/content description)         'Love Is a Battlefield'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pat Benatar'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '10/18'
'TSOP' (Performer sort order)                       'Benatar, Pat'
'TXXX:FMPS_Rating'                                  '0.8'
'TXXX:MusicBrainz Album Artist'                     'Various Artists'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Artist Sortname'            'Various Artists'
'TXXX:MusicBrainz Album Id'                         'c5566186-d569-4087-9309-1586d7cee44f'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '6bc658ea-005f-486b-8f94-33a2e40f7a72'
'TXXX:MusicBrainz Non-Album'                        '0'
'TXXX:MusicIP PUID'                                 '69f3aaf9-7018-45e1-9751-aea194df6a1b'
'TXXX:MusicMagic Data'                              'AgEBoWvdo1WUBZu3gO5pslmagAGCTIT5zn+Vj0/Nirv5K9B2gvPXELBy/AvHdcHFgmmAAfWfg/E6sbXSgAG1Y/al9dWqysx3hoaDg50Cl9SvHYJ6E95CmIcXg7SEpN/0mlQ/NpGGBC2s/oZ/6kuxTMiP1J24uYJyhMTwB5MnAv3HwIIeuy/yyPlFrKzHqb8KhPA='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'classic rock', 'female vocalists', 'pop', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.30 dB'
'TXXX:replaygain_track_peak'                        '0.615849'

========================== row from database ==========================
                                              'id'  1525280
                                            'path'  /data/Music/Bulk/00poprockelectronic/Hits Of The 80_s/Love Is a Battlefield.mp3
                                         'working'  None
                                         'bitrate'  181
                                    'duration_sec'  323
                                           'genre'  rock-pop
                                        'filesize'  7327672
                                           'mtime'  1622802062
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Of The 80_s rock pop
                                      'tag_artist'  Pat Benatar
                                     'tag_release'  Hits of the 80s
                                       'tag_title'  Love Is a Battlefield
                                             'bpm'  120.5
                                    'search_title'  'a':3 'battlefield':4 'is':2 'love':1
                                   'search_artist'  'benatar':2 'pat':1
                                  'search_release'  '80s':4 'hits':1 'of':2 'the':3
                                     'search_rest'  '00poprockelectronic':1 '80':4 'of':2 'pop':7 'rock':6 's':5 'the':3
                                    'search_combo'  '00poprockelectronic':11 '80':14 '80s':10C 'a':3A 'battlefield':4A 'benatar':6B 'hits':7C 'is':2A 'love':1A 'of':8C,12 'pat':5B 'pop':17 'rock':16 's':15 'the':9C,13
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'classic rock', 'female vocalists', 'pop', 'rock']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622802061.926984  (2021-06-04 12:21:01)
                             'size'  7327672