======================== unified (from filesystem) ========================
                                         'bitrate'  '191.972'
                                        'duration'  '179'
                                          'artist'  'Ibiza Invaders'
                                     'text_people'  ''
                                         'release'  'DAMN! Top 100 (disc 4)'
                                           'title'  'Get Fired Up'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-3']")
                                     'discogstags'  "['house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '25'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '135.094'
                                             'key'  '9A'
                                        '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)                     'DAMN! Top 100 (disc 4)'
'TBPM' (BPM (beats per minute))                     '135.094'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Get Fired Up'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ibiza Invaders'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '16/25'
'TSOP' (Performer sort order)                       'Ibiza Invaders'
'TXXX:ALBUMARTISTSORT'                              'Various Artists'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '4070101f-2798-4933-9e73-517b03141716'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '893aaae5-8a25-4db6-9a83-a98450bb86a1'
'TXXX:MusicIP PUID'                                 'd537bf33-ecc5-c527-2ba4-36ac67a7ea41'
'TXXX:MusicMagic Data'                              'AgEAkbwSj6GPj7HigrAkmkjHyZmAwItLu3eUHk92tJAH3IABiNW0I8ZQ3yLx/8nEhJmAAfkShDQovvivgAHEdNGfMCuqf9UytqeAAZZEl3C+P4QyHQJFn8+pgiKEmMTGlp5SMrSWBMmMp4K0wpq0TdSU7XXaMYPtgSb5LYfDBzX7QIEM0N/mHw2Wq3bYEdZZgT4='
'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:added_timestamp'                              '128930990202923527'
'TXXX:discogstags'                                  ['house', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.29 dB'
'TXXX:replaygain_track_peak'                        '0.453901'

========================== row from database ==========================
                                              'id'  1300403
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/top, dance, club, best of, etc/091. Ibiza Inviders - Get Fired Up.mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  179
                                           'genre'  electronic-unsorted
                                        'filesize'  4317825
                                           'mtime'  1620573246
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted top, dance, club, best of, etc 091. Inviders electronic unsorted
                                      'tag_artist'  Ibiza Invaders
                                     'tag_release'  DAMN! Top 100 (disc 4)
                                       'tag_title'  Get Fired Up
                                             'bpm'  135.094
                                    'search_title'  'fired':2 'get':1 'up':3
                                   'search_artist'  'ibiza':1 'invaders':2
                                  'search_release'  '100':3 '4':6,7 'damn':1 'disc':4,5 'top':2
                                     'search_rest'  '00poprockelectronic':1 '091':13,14 'best':9 'club':7,8 'dance':5,6 'electronic':16 'etc':12 'inviders':15 'of':10,11 'top':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':13 '091':25,26 '100':8C '4':11C,12C 'best':21 'club':19,20 'damn':6C 'dance':17,18 'disc':9C,10C 'electronic':28 'etc':24 'fired':2A 'get':1A 'ibiza':4B 'invaders':5B 'inviders':27 'of':22,23 'top':7C,15,16 'unsorted':14 'up':3A
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2002
                                     'discogstags'  ['house', 'electronic']

============================== file details ==============================
                                           'mtime'  1620573246.1908162  (2021-05-09 17:14:06)
                             'size'  4317825