======================== unified (from filesystem) ========================
                                         'bitrate'  '142.619'
                                        'duration'  '233'
                                          'artist'  'Björk'
                                     'text_people'  ''
                                         'release'  'The AUDIOPHILE Mix (disc 2)'
                                           'title'  'Enjoy ( Remix )'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-4', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-3']")
                                      'lastfmtags'  "['female vocalists', 'alternative', 'icelandic', 'electronic', 'bjork']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '84.2'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:Songs-DB_Custom1:eng'                         '1990s'
'COMM:Songs-DB_Custom2:eng'                         'Female Vocalists; Beautiful; Singer-Songwriter; Genius'
'COMM:Songs-DB_Custom3:eng'                         'Icelandic'
'COMM:Songs-DB_Occasion:eng'                        'Chillout; Love'
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'The AUDIOPHILE Mix (disc 2)'
'TBPM' (BPM (beats per minute))                     '84.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Enjoy ( Remix )'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Björk'
'TPE2' (Band/orchestra/accompaniment)               'Björk'
'TRCK' (Track number/Position in set)               '3'
'TSOP' (Performer sort order)                       'Björk'
'TXXX:ALBUMARTISTSORT'                              'Björk'
'TXXX:FMPS_Rating'                                  '0.4'
'TXXX:MP3GAIN_MINMAX'                               '142,189'
'TXXX:MusicBrainz Album Artist Id'                  '87c5dedd-371d-4a53-9f7f-80522fb7f3cb'
'TXXX:MusicBrainz Album Id'                         'd1e39a45-7b3b-453c-824d-3c5d4c748035'
'TXXX:MusicBrainz Artist Id'                        '87c5dedd-371d-4a53-9f7f-80522fb7f3cb'
'TXXX:MusicMagic Data'                              'AgEAAejCimWY6p1JgR9WgD+BgAGCo4B12e+mQFEmlsYKw4ABgAHcH7Omu2bO79zlg92AAfouiM74J+69gAHGK+xG9CqxdsYkgAKAAZaCnm69KYL4AuM106SJg1KDR9ehmQ4+BpdQ47mb54eA3yezAbyvzuCf1YWZhK/VUJl/8PLWIILi0N32lgAzqyS/dIxvgI4='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['female vocalists', 'alternative', 'icelandic', 'electronic', 'bjork']
'TXXX:q-bass'                                       '3'
'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'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.18 dB'
'TXXX:replaygain_track_peak'                        '0.625936'

========================== row from database ==========================
                                              'id'  1475734
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Bjork/Enjoy ( Remix ).mp3
                                         'working'  None
                                         'bitrate'  142
                                    'duration_sec'  233
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  4176450
                                           'mtime'  1620645050
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Bjork electronic we electropop or synthpop
                                      'tag_artist'  Björk
                                     'tag_release'  The AUDIOPHILE Mix (disc 2)
                                       'tag_title'  Enjoy ( Remix )
                                             'bpm'  84.2
                                    'search_title'  'enjoy':1 'remix':2
                                   'search_artist'  'bjork':1,2
                                  'search_release'  '2':6,7 'audiophile':2 'disc':4,5 'mix':3 'the':1
                                     'search_rest'  '00singer':1 'bjork':4 'electronic':5 'electropop':7 'eos':3 'or':8 'songwriter':2 'synthpop':9 'we':6
                                    'search_combo'  '00singer':12 '2':10C,11C 'audiophile':6C 'bjork':3B,4B,15 'disc':8C,9C 'electronic':16 'electropop':18 'enjoy':1A 'eos':14 'mix':7C 'or':19 'remix':2A 'songwriter':13 'synthpop':20 'the':5C 'we':17
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'q-chart-4', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['female vocalists', 'alternative', 'icelandic', 'electronic', 'bjork']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620645049.8781204  (2021-05-10 13:10:49)
                             'size'  4176450